Monday, September 7, 2009

Looking Arctic in Temperatures

Arctic warmer than in 2000, but it must be cool due to changes in the orbit of the Earth that causes the lack of direct sunlight.

In fact, the cooling of the Arctic for nearly two thousand years, and then in the direction of the last century, and began, as human activities that add greenhouse gases warm the atmosphere.

"If it's not cool is the right man for the increased production of greenhouse gas emissions in the summer, temperatures in the Arctic and in the past century," said Bette Otto-Bliesner, National Center for Atmospheric Research scientist and co-author of the study of Temperatures in the Arctic, published in the Friday edition of the journal Science.

The recent 10 years, 1999-2008, was the warmest in the last 2000 years in the Arctic, according to the researchers, led by Darrell S. Kaufman, a professor of geology and environmental science at Northern Arizona University.

Summer temperatures in the Arctic average of 2.5 degrees Celsius (1.4 degrees Celsius) warmer than expected if the cooling is continued according to the researchers.

Assessment of the fuel for the debate on the House-adopted bill pending in the Senate climate. Administration supports the first measure would limit greenhouse gas emissions and, ultimately, to impose a reduction of 80 percent through a price for each ton of pollution, climate change.

This is the last beat of drums in a report on the situation in the Arctic warming, including:

  • A researcher reported that the seas return from Alaska to the emission of acid gases quickly recognized as tropical waters, a potential threat to the state for 4.6 billion U.S. dollars of the fishing industry.

  • NASA satellite that measures sea-ice in the Arctic more than just in the region decreased dramatically thinner. Share former major in the Arctic sea ice has decreased by 57 percent of the winter of 2004 to 2008.

  • The effects of global warming in Alaska, including the melting of glaciers and the erosion of coastal forests north of Mars destructive beetles were restrained in winter.


And the melting of ice on land, as a huge Greenland ice cap, sea level rise around the world, the millions of people who threaten to live in the coastal cities.

The new report is available on the decades of reconstruction of the temperature for the year 2000, which was designed to use information from ancient sediments, ice cores, tree rings and other monsters. The results were then made with the climate models of complex computer simulations in comparison with the National Center for Atmospheric Research in Boulder, Colorado

"This study gives us a long-term records that show how emissions of greenhouse gases from human activities is a great natural environment of the Arctic," says NCAR scientist David Schneider, co-author of the study.

Added Jonathan T. Overpeck of the University of Arizona professor of earth sciences: "The Arctic is very vulnerable to human causes of climate change and our results suggest that it actually was. "

In addition, he said, as the Arctic warms less snow and ice reflect sunlight into space and the newly exposed soil included black and dark energy of the sea surface and the heat of the sun more, accelerating the warming.

Arctic Cooling is the result of the 21000-year cycle of ground movements in the north are less energy and cause less summer in the past 8000 years. This process will not change again a few one thousand years.

This research is funded by the National Science Foundation.

Sunday, August 30, 2009

New Fuel from Watermelon?

A client in the summer backyard barbecue and snacks, watermelon is also a promising new source of renewable energy.

According to a recent study, the rest of the watermelon from the garden "plants can grow to 9.4 million liters (2.5 million liters) of clean, renewable fuel ethanol per year for cars, trucks, gas tanks or aircraft conversion.

Agriculture, watermelon is a strange fruit - Each year, farmers across the country between 20 and 40 percent of their crops to rot in the ground. This is the ugly duck much, but on the inside, that defects or corrosion, not only selling melons in the supermarket.

Fly 'as a raven landed on the melon, it takes two to kiss on the skin, which is not good, "Wayne Fish of the U.S. Department of Agriculture in Lane, Oklahoma, said." I have farmers tell me: "I've fifth bowler on the field. Is there anything I do? "

While the United States, he believes that 360,000 tons of water melons in these areas, the damage per year.

Some local farmers wonder if the waste is converted into a melon, clean fuel ethanol from sugar mills. Placed in a series of new experiences yesterday in the journal Biotechnology for Biofuels, the fish and the research team has shown they can.

Moreover, the juice of watermelon in the perfect way to industrial mass production of ethanol from corn, sugar cane molasses can be converted and optimized.

Watermelon juice is it will generate approximately 10 percent sugar by volume, about half of the merger, the consideration of the rights to ethanol producers. But it is from amino acids, which are a major source of nitrogen to feed the yeast during fermentation vol.

Clean, they calculated that the team could make about 2.5 million liters of ethanol per year from waste melon, down in the bucket of an industry that last year production of 9 billion liters of corn oil and other United States.

But corn and molasses requires lots of water, nitrogen, and sometimes added in preparation for fermentation. The team has shown that the juice of the watermelon melon water consumption decreased significantly reduce the supply of nitrogen is needed, and add sugar mixture, the amount of grain or molasses, 15 percent.

"There is no substitute for corn. In that sense it remains a niche source of biofuels," said Jim Rausch, president of College Station, Texas-based Common Sense Farm Business, LLC, which developed a prototype of watermelon juice - for processing ethanol plant.

"But not like algae biodiesel and cellulosic ethanol is now. No new technology should be developed so that it is profitable. "

Tuesday, August 18, 2009

Killer Spices Keep Harmful to The Bay

Pesticides May smell sweet as rosemary, thyme and cinnamon.

Spices, among other things, evidence of the impact of insects on fresh fighting environment and safety for humans, "said entomologist Murray Isman, University of British Columbia, Vancouver.

Speaking yesterday in an American Chemical Society, Washington, DC, Isman that insects are less likely to develop resistance to extract chemicals from the classic spice.

This concept is not new: For centuries, people have been extracted from plants from oil hard to protect their food. Well, scientists have finally the calculation is important, as oil and pest control against the way people more efficiently.

"There is a certain magic in the way of nature, what has been done," said Isman. "The research we are trying to find the important work that the best oil for the application."

Spice plants have a strong odor of the chemical structure: They consist of small molecules that evaporate easily. Extraction of oil from this plant is generally used for aroma and taste of food, shampoos, candles and other products.

You can also change the chemical structure of spice extracts penetrate easily into the membranes of brain cells, as an error. In recent years, scientists have two types of messenger molecules in the brain that insects with essential oils.

By blocking or stimulating molecules or their receptors, it causes the oil or high-flying insects. At the dose is high enough, said Isman, May be some of the oil from the nervous system of insects.

People, pets and other animals do not have the same molecule in the brain, Rasul, so that extracts from dangerous insects security for us. Scientists now considering the brain as a target for synthetic pesticides.

"Some of the major oil companies, the repulsion is remarkable," said Joel Coats, an insect toxicology and researcher at the University of Iowa State in Ames. "If we understand how the biochemical level, we can be better used, and this is really an important step in the moment. "



Isman devoted much time to dissect the secrets of rosemary, a neurotoxin that is particularly strong for many insects. Previous work has shown that rosemary oil contains several chemicals 80 or 90, 10, for more than 90 percent of what is available.

Isman and colleagues tested the toxic effects of 10 people by creating artificial oil extract, nine other people, then the mixture is all the spider mites. Researchers are able to finger the most powerful of the three chemicals, three or four small effects, and three or four, which seems not much to do at all for the mites.

When the scientists tested a mixture of three chemicals, but the result is that 30 per cent more toxic than the real Rosemary.

"There are some internal magic mixture of compounds, the attempt to discuss the next to them," he says. "There are advantages to the use of nature as a mixture of them come from plants.

Over time, insects can not also support the development of tolerance to the synergies involved in the complex mix of chemicals, but they quickly resistant to pesticides.

Insects are already on the market repellents with rosemary, peppermint, cinnamon, thyme and other odiferous oil, but scientists are not yet able to predict the functions of the extract, where the insects. Even in close insects react differently to the same extract.

Just know what is best in each situation, scientists can order any type of extract to each type of insect. Coats with software to predict who will extract the most powerful on the basis of chemical structure.

More than an experiment, the data show that the mixture of essential oils with pesticides to farmers to use more than half of all things classical, and still the same results.

For Bio-heart, the future of the fight against pests business, feel better and better.

Friday, July 24, 2009

Well, today I have this site: http://www.goldcoinsgain.com/

It is the gold and all that, but the fans, to other sites on this successful. Well, if you are a collector, it may be useful: You can free up a guide on this topic. You will also receive a diet of the latest developments in connection with the gold, the price on the market, the reasons for gold, etc., etc.

Now, what is beautiful, that you buy parts on the website, the elimination of half-man! Another cool thing is that in contrast to other pages in retail you a little about the history of gold coins in my country (Indonesia) play in large parts.

Therefore, if you like babies, there is no other place where one goes, but in this case: Gold profit

Personally I am more than a collector of video games, and I want to side too. Again, if you are looking for something to mix in their investment, or simply curious about the gold coins, I guarantee you that this will be the case. Two thumbs up!

Sunday, July 19, 2009

Stress can Affect Diabetes

Stress results when the body is, that you behave as if they matter. Source of stress may be physical, like injury or illness. Or they can mental problems such as in marriage, employment, health, or financial.

If stress occurs, the body prepares for action. This preparation is fight or flight response. In the fight or flight response, many hormones shoot. Net effect is that a quantity of stored energy - glucose and fat - available to cells. Cell background is, to escape the danger.



People who have diabetes, the fight or flight response is not working properly. Insulin is not always able to rent the most energy in the cells, so that the pile of sugar in the blood.

Many sources of stress are not a threat in the short term. For example, could take several months to the operation. Stress hormones in the treatment of risk of short stay for a long period of time. As a result of long-term stress can lead to long-term high blood sugar.

Many long-term, is a source of psychological stress. Nondangerous mind sometimes react to events as a real threat. How the physical stress, psychological may be short term - the consideration of inclusion in a traffic jam. Then, in the long term - the time working for the care of head of their aging parents. In the mind, body pump hormones without success. Do not fight or flee, it is useful, if one "enemy" is your own opinion.

As stress-related diabetes
In people with diabetes, blood glucose can stress. This for two reasons. First, under pressure should not their good heart. You can find more enjoyment of alcohol or less. They must not be forgotten, or have no time for sugar or eating plan. Second, stress hormones may also set the level of sugar in the blood directly.

Scientists have an impact on the sugar in animals and humans. Diabetic mice in the physical or mental pressure, blood sugar is high. People with type 1 diabetes more mixed. Although most people with rising sugar levels of the soul, another can of sugar. In the Community, with type 2 diabetes, mental is often blood sugar.

Physical, such as illness or accident causes high blood sugar in people with type one diabetes.

For some people with diabetes, control of stress relaxation therapy seems to help. Rather, the support to persons with type 2 diabetes in humans with type 1 diabetes. This difference makes sense. Stress blocks the release of insulin in people with diabetes instead of type 2, it can not cut the stress for these people. People with type 1 diabetes is not insulin, stress does not have these effects. Stress may contribute to type 1 diabetes to be better.

Some people with type 2 diabetes may also be sensitive to certain stress hormones. Relaxed we can help this annoying sensitivity.

It is simply to see if your life is on the control of glucose. Before sugar level by writing a series of evaluation of your intellectual property at a scale of 1 to 10. So you write your glucose level. After one or two weeks, looking for models. Drawing a graph, you can see better. Thursday high stress often high in sugar and low stress levels low sugar? If yes, stress can be to control your glucose.

Stress and personality
You have full control over a reaction to stress. You can learn to relax the body and the reversal of the hormonal response to stress. And, of course, you can change your life for the source of stress.

Other things, on community responses to stress management style. Coping style, someone with stress. For example, some have a problem-solution approach. She said: "What can I do to solve this problem?" You try to change the situation to recover from stress.

Other people in their own problems to correct. She said to himself: "The problem is not so bad."

Both methods are, in general, the management course. People who tend to have the least amount of glucose in response to the soul.

Learning to relax
There are many ways to help relax

* Breathing exercises. Or do you and uncross your arms and legs. Take a deep breath. Then, press as much air as possible. Breathe again, this time to relax your muscles on the purpose and end. Keep breathing and relaxing for 5 to 20 minutes. Occasion at least once a day.

* Progressive relaxation therapy. For this technique, you can in a clinic or audio cassette, muscles tense, then relax.

* Exercise. Another opportunity to relax your body is moving through the various movements. Three ways of relaxation are interested in the movement started, and vibration of the body. For this exercise, more fun, move with music.

* Replace the bath with the proper spirit. Each time you use a bad idea, so focused on what you'll be happy and proud. Warning or a poem, prayer, or quote and use it as a substitute for a bad idea.

Whichever method is used to relax, practice. As the weeks or months to learn a new sport to practice, practice, learn to relax.

Means of reducing psychological stress
You can see some of life. The market, for example, if you, you can create a new way to work or home early to miss traffic. If your work takes you mad, for the transmission, if you can, or discuss with your employer to improve. As a last resort, you can use another job. If you are able, with a friend or relative, you can first step towards Patch things. For such problems, feeling stressed may be a sign that changes are needed.

Some sources point out that never, no matter what you do. With diabetes is one of them. It is still a means of reducing the pressure of living with diabetes. Groups can help. Aware of other people in the same situation, help you less lonely. You can also learn from other people with advice for the management of the problem. Friends of the Association, the burden of stress related to diabetes.

There are also other ways to fight against stress and. Sometimes adding positive things in life can help. You can use an exercise program or a team sport. You can dance or a dance club. You can create a new hobby or learn a new profession. You can volunteer in a hospital or a charitable organization.

Diabetes is directly related to stress can also help. Reflecting on aspects of living with diabetes stress for you. You can use drugs, or check your blood sugar regularly, or movement, or you have to eat.

You can help with this problem. Ask your team members to referrals for diabetes. Stress can sometimes be so difficult that you feel overwhelmed. So, in counseling or psychotherapy can help. Interview with a doctor can help you manage the problem. You can learn new ways to cope, or new ways of changing settings.

Saturday, July 18, 2009

Mematikan Komputer Otomatis Bagian III

Melanjutkan dua artikel sebelumnya, ok? Kali ini akan kita bahas cara menampilkan notice, alias peringatan sebelum kompi kita mati sendiri, sesuai jadwal. Let's go straight to the point yaw?
-seperti biasa siapkan notepadnya, lalu ketikkan msg * isi peringatan misalnya (Komputer anda akan mati dalam lima menit, simpan semua data anda sekarang !!!)
-setelah tulisan yang berisi isi pesan klik enter dan ketikkan ^Z
seperti ini:


-setelah itu simpan dalam format .bat, misalnya kasih nama aja notice.bat



-Lalu masukkan ke schecudle tasks seperti biasa, sesuai dengan waktu yang tertera pada pesan di notice tadi. Sesuaikan waktu pada schedule tasks dengan waktu jadwal mati kompi kita dikurangi lima menit. Ok jadi deh. Ntar akan muncul comment seperti ini:



Klik aja tombol ok untuk menghilangkan notice itu, dan komputer anda akan mati dalam lima menit sesuai jadwal yang telah anda tentukan sebelumnya. Ok sekian dulu ya??? Sampe ketemu di postingan berikutnya.

Monday, July 13, 2009

Ten Tips To Improve System Speed

1.Let PC boot, before the opening.


2.Refresh office after the closing of all applications. This deletes all files that are not the RAM.


3.Do not the size of the image file as wallpaper. Do not save the wallpaper on your PC, if you have little RAM (less than 64 MB).


4.Do not the background image with a lot of desktop shortcuts. Each shortcut on the desktop applications up to 500 bytes of RAM


5.Empty the trash regularly. The file is not on your hard drive until you empty the trash.


6.Delete temporary Internet files regularly.


7.Defragment your hard drive once every two months. This would allow more space on your hard drive and store files, so that your applications faster.

8.Always create two partitions on your hard drive. Install all the major publishers (like PSP, Photoshop, 3ds max, etc.) in the second partition. Windows uses all available methods of free space on drive C of the virtual memory if your computer is full of RAM. Hold the C drive vacuum possible.


9.When install the software, disable the option on the tray icon. , The Code of the icon on the RAM available, and also slow start your PC. In addition, the option for the application automatically when the PC starts. You can use this option later in the menu "Tools" or "Options" in your application.


10. Protect your PC against dust. Effect of dust, that the CPU fan for the day slowly and gradually heating so that your CPU and the effects on speed. With air to beat the dust from the CPU. Do not vacuum.


RAM is the working space (office) of the CPU, too empty and clear as possible!

El-Nino Affect Weather Worldwide

Government scientists on Thursday, the periodic warming of water in the tropical Pacific, at the time in the world, is back.

The Pacific has been in what is regarded as neutral, but forecasters at the National Oceanic and Atmospheric Administration said that the water temperature has risen by 1.8 degrees Celsius above normal over a narrow band in eastern equatorial Pacific, in June.

In addition, NOAA's Climate Prediction Center said tropical temperatures in other regions are also above normal, with readings warmer than usual, as far as 975 meters below the sea surface.

In general, El Nino conditions associated with increased rainfall in the east central and eastern Pacific and dry as normal conditions over northern Australia, Indonesia and the Philippines.

One summer, El Nino can lead to normal weather in the Intermountain regions of the United States and central Chile. In an El Nino years is rather Pacific hurricanes and fewer Atlantic hurricanes.

The meteorologists said expect that this El Nino continues to improve in the coming months and last winter over the years 2009-2010.



"Advanced Life Sciences climate allows us to warn of industry, governments and operators urgently to the climatic conditions of El Nino May, so that they can be taken into account in making decisions and, ultimately, the protection of lives, property and the economy", Board member Jane Lubchenco of NOAA said in a statement.

NOAA pointed out that the effects of El Nino are negative. For example, the Atlantic hurricanes and humidity for the dry regions of the southwest.

It can also be damaged drivers in winter storms in California and the increase in storms in the southern United States.


The warming of the sea can also contribute to a reduction in catches at sea on the west coast, and fewer fish can also affect food source for birds and marine mammals.

A study by researchers from Georgia Tech in May showing there are actually two types of El Nino, according to whether the warming is strongest in the eastern part of central or rest.

Although the current warming seems to be strong in the east of the form of a traditional, government forecasters were unable to them.

If the Georgia Tech study is correct, it is nature, that the phenomenon El NiƱo storms in the Atlantic and Caribbean. The form of the other, further west, appears to be at the Atlantic storms.

Computer Hacking

Hacker practice, the change of hardware and software for achieving the objectives of which are outside of its original creator. Persons involved in hacking, often referred to as hackers. Since the word "hack" has long been used to someone who is not competent in his profession, some hackers say that this term is offensive and should not be a recognition of the capacity.

Hackers most commonly in adolescents and young adults, but there are many elderly and hackers. Many fans of the pirate technology, like to learn more about how computers work, and hacker attacks, an art form. They are often the program at the level of expertise and skills in a particular program. For the individual, is for a hacker problem-solving powers of their application. It is an opportunity to develop their ability, not an opportunity to harm others.

Hackers are many autodidacts wonder that some of the companies within the framework of hackers of staff for technical support. People use their capacity in the security vulnerabilities of the company, so they quickly remedied. In many cases, this type of piracy on a computer to prevent identity theft and other serious crimes in connection with computer science.

Hackers can lead to the implementation of other technologies, such as skills for many Piracy toys. For example, a former hacker Dennis Ritchie and Ken Thompson, was to create on the UNIX operating system, in the 1970s. This system has a large influence on the development of Linux, a free Unix operating system. Shawn Fanning, the founder of Napster, is famous for services outside hackers hackers.

Compared to develop an interest in the intellectual curiosity to hackers, pirates have less noble motives. Hackers steal confidential information, change the financial data of enterprises, security against the code for access to the network is not valid, or that the damage referred to as "crackers." This kind of hacking, you can create a journey into the federal prison for more than 20 years.

If you are interested in your computer from hackers, the investment in firewall is recommended. There is also a good idea to regularly update the software. For example, Microsoft offers a free series of security patch for Internet Explorer.

Sunday, July 12, 2009

NASA Tests Space Internet


Many roads, the message on the Internet to create a strong and effective - and envy the people who work for the design of communication system at a distance to leave the spaceship Earth, so each year. After more than a decade, development, NASA has a run on the loans from the communication network, by 2011, the efficiency of data between Earth and a few probes, Rover, Orbit, spacecraft and exploration solar system - in fact authentic, for a cross-Internet. Tests to the International Space Station last May, the second of three tryouts key network technology, known as Delay Tolerant Network, or DTN, Minutes.

DTN newspaper, the Internet is in space by a series of obstacles to overcome, including the unusual length of time for packets between the various hops in the network, the intermittent nature of a network connection, Scrambling and a little sunlight.

"Communication is a very long delay, and they are variable, because the planets in orbit around the sun," said Vint Cerf, co-inventor of the Internet TCP / IP and the key to a group of computer The DTN work in 1998. In the ground, drag the package from source to destination in milliseconds. However, a simple course of the Earth to Mars takes at least 8 hours. A movement of celestial bodies means that the package immediately and must wait for the satellite-Hop, earth to heaven.

To send in the communication space is very different than in the world, where the surface topology of the Internet for us is obvious.

"What we do is not to say all the nodes that it is an amendment that happens," said Scott Burleigh, software engineer at NASA-Jet-Power Laboratory, Pasadena, California, a leading developer of DTN. "You can travel from A to B in this database is from 12:30 and ends with the sentence 3:30, and then you will not be able to return to the link ... to the next Tuesday.

Launching a test DTN in space last October, was successful. Code has been on the comet, Deep Impact probe study, to review the 2nd passage comet Hartley "We activated the software in the air and dozens of nodes around the Earth and let it alone run entirely by about a month, "said Burleigh. During the test, about 300 images that have stretched a short distance up to 24 million km. Although some errors were found, no packages, and no bit was damaged. The software is certainly not a reboot of the earth on the air. "The minutes may be less than the restoration of data and really good," said Keith Scott, Principal Engineer at the Mitra Corp., the Reston, Va., who has to DTN Burleigh and others.

DTN is the key to the technique as "store and forward." In fact, each node to hang, to data received, it can work with. On Earth, the data are stranded when there is a problem, and is again the source.

The second test, Kevin Gifford on the Payload Operations Control Center at the University of Colorado, Boulder, a computer onboard the ISS for the images to earth.

In the third trial, in early October and includes the Deep Impact probe, the safety engineers and a new protocol file transfer protocol. Then akan DTN "quite ready for Deep-Space Search," said Jay Wyatt, the NASA program, which coordinates the project. At that time, researchers hope that other space agencies also try.

Scott miter chairs a working group of the Consultative Committee for Space Data Systems, an international organization that recommends standards for space communications. You are taking into account the adoption of DTN. So Mission Mission, the network must develop a network of handsets on the planet and space stations.

Wednesday, July 8, 2009

Mengunci Komputer dari Jarak Jauh

Ok, seteleah googling beberapa menit akhirnya nemuin juga cara mengunci komputer dari jarak jauh. Eits tunggu dulu, asal syaratnya harus dalam satu jaringan lho..and ente harus menguasai yang namanya telnet. Caranya mudah buanget dech. Buka telnet pada kompi yang akan kita kunci dari jarak jauh. Caranya:
-klik start>run>telnet (ip target)misalnya targetnya adalah 192.168.0.202, lalu masukkan username dan password dengan benar.
-setelah muncul tampilan seperti ini:



-ketikkan rundll32.exe user32.dll,LockWorkStation seperti ini:



-Klik enter...dan wuissssshhhh..kompi target langsung terkunci tanpa harus menyentuhnya.

Oiya teks ini rundll32.exe user32.dll,LockWorkStation juga bisa dijadikan sortcut lho. Mau tahu caranya? Ikuti langkah berikut:

1. klik kanan pada desktop
2. klik new, pilih sortcut
3. setelah muncul tampilan seperti ini:



4. pada kotak yang dilingkari merah ketikkan rundll32.exe user32.dll,LockWorkStation
5. Klik Next, beri nama LOCK COMPUTER
6. Klik Finish, Jadi deh sortcutnya.

Untuk mengunci komputer tinggal klik dua kali sortcut tadi. Sekian dulu postingannya, dah maghrib nih,,,sampe ketemu lagi pada postingan berikutnya.

Tuesday, July 7, 2009

Komunitas Genome Bisa Menghasilkan Biofuel (Bahan Bakar Organik)


Genome dari 17 spesies semut, jamur dan bakteri yang memakan ratusan pon daun dalam satu tahun akhirnya bisa menyebabkan lahirnya teknik baru dalam pembuatan biofuel (bahan bakar organik).

Ilmuwan dari University of Wisconsin, Joint Genome Institute dan Emory University sedang mengurutkan komunitas genome yang pertamakali-ada, mencari petunjuk mendasar tentang bagaimana bioreaktor yang berusia 50 juta tahun beroperasi.

"Semut-semut pemotong daun, jamur, dan bakteri ini bisa menggemburkan sampai (880 pon)daun kering tiap tahunnya," kata Garret Suen, seorang Ilmuwan di Unversity of Wisconsin, Madison bekerja pada proyek itu.

"Kami yakin bahwa seluruh komunitas berusaha membantu mencapai hal ini," Suen menuturkan pada reporter Discovery News.

Di alam liar, tentara semut-semut pemotong daun menyebar ke seluruh dasar hutan hujan untuk mencari dedaunan. Dengan rahang penjepit mereka yang kuat, mereka memotong bagian-bagian dedaunan dan kemudian membawanya kembali ke sarang mereka di bawah tanah, dimana mereka memberi makan dengan daun itu secara hati-hati pada kebun jamur yang mereka rawat.

Jamur-jamur itu mensekresikan enzim pada daun yang akhirnya memecahkan daun menjadi bermacam-macam molekul, dari reaksi ini menyisakan gula yang digunakan oleh semut sebagai makanan.

Sekali jamur memecahkan daun menjadi molekul sebanyak yang mereka bisa, semut-semut mengambil potongan-potongan daun dari kebun jamur, membawanya ke permukaan dan membuangnya dalam tumpukan-tumpukan di sekitar sarang. Bakteri melanjutkan memecah (menghancurkan) sisa-sisa serpihan daun, sehingga limbahnya tidak memenuhi koloni semut.

Secara pasti, molekul mana yang dipecah oleh jamur dan bakteri masih dalam tahap investigasi.

Hanya dua dari spesies serangga yang lain yang telah menyusun suatu hubungan simbiosis yang dekat dengan jamur. Tanpa jamur, koloni semut mati. Tanpa semut, jamur tidak bisa bertahan hidup. Bakteri tergantung pada keduanya dalam hal makanan.

Pada akhir 50 juta tahun, tiga kelompok organisme telah mengoptimalkan hubungan mereka untuk menghasilkan jumlah maksimum energi yang dihasilkan dari daun. Bagaimana komunitas itu melakukan hal ini adalah masih mejadi sebuah misteri--salah seorang ilmuwan berharap untuk membongkar misteri ini menggunakan hibah dari Roche untuk mengurutkan genome dari 17 organisme itu, termasuk tiga spesies semut pemotong daun yang berbeda.

Para ilmuwan memperkirakan bahwa ada sekitar 1.5 milyar pasangan dasar dari 17 organisme berbeda itu. Genome manusia sendiri mengandug kira-kira tiga milyar pasangan dasar.

Terkunci di dalam komunitas genome bisa menjadi petunjuk yang akhirnya dapat menuntun para ilmuwan untuk menemukan enzim baru atau teknik-teknik yang bisa menjadikan manusia mampu untuk membuat biofuel secara lebih efisien.

"Sebuah sistem pendekatan adalah penting untuk menjawab dengan jelas tentang biofuel, karena pemecahan lignoselulosa dengan enzim masih sangat mahal dan tidak praktis," kata Lars Angenent, seorang ilmuwan yang mempelajari bagaimana bermacam-macam organisme memecah selulosa untuk menghasilkan biofuel di Cornell University.

"Saya kira pekerjaan di Wisconsin harus dihargai, karena tidak hanya mengurutkan indiviu bakteri atau serangga, tapi agak mengarah ke seluruh sistem biologi," Kata Angenent.

Sumber: dsc.discovery.com

Friday, July 3, 2009

Jika Dua Binatang Terkuat Bertemu


Apabila makhluk paling mematikan di planet ini saling bertikai satu sama lain di alam liar, predator mana yang akan memenangkan pertarungan itu? banyak dari perkelahian binatang paling mematikan tidak pernah terlihat dan beberapa raja hutan ditakdirkan untuk tidak pernah bertemu-sampai sekarang!

12 bagian berseri ini menantang kerajaan binatang predator melawan satu sama lain dalam sebuah pertarungan virtual, mengombinasikan sebuah paduan unik antara alam dan teknologi modern.

Setiap episode dari seri ini mereplika dua binatang buas sebagai binatang biokimia dalam suatu 'Laboratorium Gigitan', dengan bantuan dari para pakar ilmuan internasional. Mereka merancang, membangun dan menguji replika animatronik dari binatang yang bisa - tapi biasanya tidak - menyerang melawan satu sama lain di alam liar.

Team ini merekonstruksi serangan dengan membuat replika binatang yang terbuat dari metal ( Besi ) dan menciptakan ulang binatang itu lapis demi lapis -rangka, dan kulit - dalam sebuah lingkungan virtual di komputer.

Dalam arena netral ini, tidak ada binatang yang memiliki kesempatan untuk curang dan hasilnya ditentukan secara ilmiah: keahlian bertarung, senjata dan kelemahan dipertimbangkan terhadap kekuatan fisik, ukuran tubuh, dan serangan. Hasil dari pertarungan mengagumkan antara binatang buas cyber ini akan menentukan binatang mana yang paling mungkin akan menjadi pemenang dimana mereka pernah bertikai satu sama lain di alam liar.

Seri ini dibuka dengan sebuah pertarungan virtual antara singa dengan harimau, yang bisa dikatakan memberikan bukti yang mirip. Kemudian dalam seri itu, buaya air asin saling menggigit dengan hiu putih besar dan gajah diadu dengan badak. Pada episode berikutnya, serigala diadu dengan puma, harimau siberia diadu dengan beruang grizzly, beruang kutub melawan anjing laut, alligator bertarung dengan beruang hitam dan gorila bertarung dengan macan tutul.

sumber: www.discoverychannel.co.uk

Masuk Ke Komputer Yang Lupa Passwordnya

Ini merupakan hal yang paling menjengkelkan bagi kita, mungkin...ketika kita lupa password apa yang kita gunakan untuk login ke Komputer kesayangan kita. Atau misalnya kita akan menggunakan komputer oranglain yang kita belum tahu passwordnya.

Caranya mudah saja,,,apabila sudah masuk ke welcome screen, atau Log On dialog,,,
klik ctrl+alt+del 2 kali,,lalu pada kolom username ketikkan Administrator, dan klik enter...jreng2 kita bisa masuk ke komputer yang di password tanpa harus mengetahui passwordnya,,,.

Ok sekian dulu,,next time akan kita bahas bagaimana caranya agar bisa log in otomatis ke komputer yang ada passwordnya... ^,^

Monday, June 29, 2009

Mematikan Komputer Otomatis Bagian II

Melanjutkan artikel yang kemarin, apabila kita ingin mematikan komputer kita secara otomatis namun lebih dari satu waktu, misalnya kita ingin agar komputer kita mati pada pukul 06.00 sore dan pada pukul 09.00 malam.

Prinsipnya mudah saja. Ikuti langkah-langkah berikut ini:
-Buka Control Panel
-Pilih Scheduled Tasks
-Klik browse, cari file mati.bat
-klik dua kali pada file mati.bat sehingga muncul tampilan seperti ini:



-Klik Tab Schedule sehingga muncul tampilan seperti ini:



-Beri tanda (v) pada kotak show multiple schedule, kemudian klik new.
-Tentukan waktu baru, yaitu 06,oo pm atau 18.00 dan klik apply lalu klik ok.
-Nah sekarang kompi anda akan mati secara otomatis setiap hari pada pukul 06.00 pm dan 09.00 pm.

Saturday, June 27, 2009

Membuat Komputer Shutdown Otomatis Tanpa Software

Hal ini mungkin sudah menjadi sesuatu yang mengganjal bagi sebagian orang yang bisa dikategorikan masih awam dalam menggunakan komputer,,apalagi seperti saya yang bukan seorang lulusan smk jurusan ilmu komputer maupun mahasiswa teknik IT. Tapi setelah saya utak-atik sendiri plus googling akhirnya dapat juga cara menjadikan komputer kita mati otomatis dan terjadwal pula.

Caranya cukup simpel, anda tidak perlu menggunakan software, visual basic maupun keterampilan yang berkaitan dengan programmer,,ukh pusing mikirnya, kita hanya menggunkan fasilitas yang udah disediakan satu paket dengan windows aja. Langsung aja ya?
Untuk membuat kompi kita mati dalam 30 detik, langkah yang harus dilakukan adalah:
1. Buka Notepad dan ketikkan shutdown -s
2. Lalu simpan dengan ekstensi .bat,, misalnya mati.bat tampak seperti ini


3. Simpan di tempat yang aman misalnya my document.
4. Buatlah sortcut dari file mati.bat tadi.
5. Untuk mematikan kompi tinggal klik aja dua kali, nanti akan muncul kotak dialog spt ini


Itu baru sortcut untuk matiin kompi,, sekarang kita masuk ke topik utama mematikan komputer secara otomatis dan terjadwal. Prinsipnya mudah saja, tinggal kita edit file mati.bat tadi. Caranya begini:
-klik kanan pada file mati.bat tadi lalu klik open sehingga muncul editan dalam bentuk notepad spt ini:


Lalu ketikkan setelah shutdown -s ketikkan -f, misalnya ingin mematikan kompi dalam 3 detik ketikkan -t 3 setelah shutdown -s tadi, dan jika ingin menambahkan komentar pada dialog shutdown, ketikkan setelah shutdown -s -f -t 3, -c "komentar anda". Lalu simpan di my document. Contohnya seperti ini


Langkah berikutnya, adalah menjalankan file mati.bat tadi secara otomatis, sehingga kita tidak perlu melakukan klik dua kali pada sortcut. Caranya begini:
Buka Control Panel, pilih scheduled tasks, pilih add scheduled tasks, klik next, klik browse, cari file mati.bat tadi, lalu klik open. Apabila muncul kotak dialog seperti ini:



Apabila kita ingin mensetting kompi agar mati secara terjadwal setiap hari, maka check pada pilihan daily. Lalu klik next, tentukan jam berapa kompi akan mati pada start time. Misalnya kompi mati ketika jam 9.00 malam, check every day, pada pilihan perform this task. Klik next lagi. Perlu diperhatikan bahwa settingan ini hanya bisa berjalan pada kompi yang berpassword, jadi setting password pada kompi anda.


Username akan muncul secara otomatis, jadi jangan diubah, masukkan password kompi dua kali, jangan sampe salah ya??? Lalu klik next lagi, setelah muncul dialog seperti ini



Check pada kolom open advanced properties for this task when I click finish. Lalu klik finish. Maka akan muncul tampilan seperti ini



Lalu klik Ok, selesai deh...nah tunggu aja, tiap jam 09.00 malam kompimu akan mati secara otomatis.

Hiu Putih Berburu Seperti Pembunuh Berantai


Hiu mungkin hanya berburu untuk mendapatkan makan, namun hiu memperlihatkan strategi berburunya mirip dengan orang yang melakukan pembunuhan berantai. Mereka bersembunyi dan mengintai lalu mengejar mangsanya.

Hiu dan manusia pembunuh berantai dua-duanya bisa dilacak melalui profil geografis, berdasarkan sebuah studi baru yang melaksanakan teknik investigasi ini terhadap pola berburu dari ikan hiu putih besar, yang diketahui sebagai ikan predator terbesar di dunia.

Studi itu dipublikasikan dalam Jurnal Zoologi terbaru, menandakan kali pertama pelaporan geografis telah diterapkan pada sebuah spesies laut.

"Sebagai pemangsa, mereka harus cukup dekat untuk mengawasi mangsa dan memperkirakan pergerakan mereka, tapi mereka juga harus cukup jauh sehingga mereka sendiri menjadi tidak mudah diketahui." tandas Neil Hammarschalg yang diwawancarai Discovery News.

"Mereka harus menggunakan jalur pergerakan yang mereka kenal betul," tambah Hammerschlag, seorang peneliti di University of Miami fakultas Rosentiel Kelautan dan Ilmu Atmospheric. "Bagi manusia pembunuh, hal ini akan seperti kereta bawah tanah, bus, dan jalan bebas hambatan. Bagi Hiu Putih hal ini termasuk kanal-kanal, tepi karang, dan bentuk topografi yang lain."

Selama studi ini, Hammerschlag bekerja dengan Ahli Hiu Aidan Martin dan Mantan Polisi Kanada Kim Rossomo, yang mengembangkan teknik pembuatan profil geografis dan sekarang berada di Texas State University.

Para peneliti mengamati dan mencatat 340 serangan hiu putih besar di Cape fur seals dalam air dari Seal Island di False Bay Afrika Selatan . Mereka meletakkan situs penyerangan ini, menggunakan radar chart untuk memeriksa persebaran penemuan dan mencatat di mana hiu mulai dan mengakhiri serangan mereka.

Semua hal lain yang sama, frekuensi serangan harus langsung terkait dengan kepadatan mangsa, dengan hiu mengintai di area mana anjing-anjinglaut paling sering berkumpul. Mengherankan, hal ini tidak terjadi.

Para peneliti juga menemukan bahwa hiu putih besar dewasa lebih fokus dengan ujung jangkar yang secara berulang-ulang mereka keluarkan sebagai serangan mereka. Hiu yang lebih kecil dan lebih muda kurang fokus dalam hal ini. Hal ini karena hiu dewasa telah berpengalaman dan telah berulangkali melakukan penyerangan sehingga mereka lebih mengetahui posisi dan saat yang tepat untuk memulai penyerangan terhadap mangsa-mangsanya.

"Seekor anjing laut bisa merobek keluar mata ikan hiu dan mereka memiliki banyak bakteri di mulut mereka yang bisa menyebabkan infeksi ketika mereka menggigit," Kata Hammerschalg. "Banyak ikan hiu yang mengalami luka parah yang disebabkan oleh gigitan anjing laut."

Namun demikian, itu adalah dunia hiu pemangsa anjing laut , dan pemangsa teratas seperti hiu memainkan peran penting dalam struktur masyarakat dan menjaga kestabilan ekosistem. Temuan baru membantu untuk memecahkan misteri besar tentang perilaku berburu hiu putih dapat membantu untuk mengidentifikasi daerah-daerah untuk perlindungan - baik untuk manusia maupun ikan hiu.

sumber: dsc.discovery.com

Thursday, June 25, 2009

Mencoba dan Mencoba

Ini memang bukan jalan yang mudah, perlu kesungguhan dan keistiqomahan dalam mencari Rizki Alloh,,,memang ga ada kaya mendadak, tinggal tidur uang datang secara otomatis memang tidak ada...

Aku sedang berjalan menuju bisnis online semoga diberikan jalan mulai dari paid to click,,tinggal klik dapat duit, bikin search engine dan hompage dari yahoo biar waktu search dapet duit,,dan mungkin masih panjang jalanku...

Mungkin ada yang tertarik, klik aja banner ini:





atau bisa juga klik yang ini


Ni Buat cari duit otomatis

Mau dapet duit cuma-cuma? mungkin ini bisa jadi solusi buat bro semuanya...coba aja.