Opening and Closing Notes

Time passed. No one can stopped it. Nothing seemed, finally arrived at the end of 2009. All of you have experienced in the 2009 has been stored and recorded in memory and notes, along with the memory and notes of the years before. So what was the most memorable thing for you in the 2009 ? Or do you like in general from the year 2008 ? Is there something can be in the year 2009 ?
Calm down for a moment, let yor body and mind relaxed. Do not engaged in activities that are less useful for a while. Because at the end of this year is a good time to reflect, remember, and rethinking everything we have done, naturally, and gain in 2009. We have our own self-correting-each and take advantage of everything that happens. Especially every mistake we make and the failures that we experience. Then, we prepare a plan for 2010 to live with ripefor the past mistake are not repeated in 2010. With this we can look in 2010 with great joy, hope, enthusiasme, and optimism.
Tomorrow should be better than yesterday.

Happy New year 2010

Lightning

Lightning is an atmospheric discharge of electricity accompanied by thunder, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or dust storms.In the atmospheric electrical discharge, a leader of a bolt of lightning can travel at speeds of 60,000 m/s (130,000 mph), and can reach temperatures approaching 30,000 °C (54,000 °F), hot enough to fuse silica sand into glass channels known as fulgurites which are normally hollow and can extend some distance into the ground. There are some 16 million lightning storms in the world every year. Lightning can also occur within the ash clouds from volcanic eruptions, or can be caused by violent forest fires which generate sufficient dust to create a static charge.

How lightning initially forms is still a matter of debate: Scientists have studied root causes ranging from atmospheric perturbations (wind, humidity, friction, and atmospheric pressure) to the impact of solar wind and accumulation of charged solar particles.Ice inside a cloud is thought to be a key element in lightning development, and may cause a forcible separation of positive and negative charges within the cloud, thus assisting in the formation of lightning. The fear of lightning (and thunder) is astraphobia.

Other things about lightning

Artificial Lightning

Thunderstorm

Perhaps that term sounded a little strange in our ears so often happens though. A thunderstorm is a natural phenomenon of continuous lightning strikes, which marked the emergence of cloud cumullusnimbus. A thunderstorm or electrical storms are often accompanied by heavy rain and strong winds. In fact, sometimes accompanied by hail and snow (if it occurs in an area that has four seasons)
All the places on earth has the potential to be the location of a lightning storm. The potential is greatest in tropical regions, especially the tropical rain forest areas. There, thunderstorms can occur nearly every day. An example is the Tororo and Kampala in Uganda, Bogor in Indonesia, and Singapore. While the strongest thunderstorms often occur in the Midwest and South State (United States). In areas that have four seasons, thunderstorms occur in the spring and summer. In cold climates such as polar regions, thunderstorms are rare. That's because the temperature is very cold polar regions. A thunderstorm is relatively unusual, occur in the United States west coast. But it is more common in the Sacramento and San Joaquin Valleys in California which is the interior.

Thunderstorms Strength

If the amount of cloud water content cumulusnimbus known, the total energy of a thunderstorm phenomenon can be calculated. At medium power thunderstorm, the energy released reaches 10,000,000 Kwh or 3.6 x 1013 joules. The amount is equal to the power of 20 kilotons nuclear bombs. While the power of large thunderstorms can reach 10 to 100 x more powerful than the medium thunderstorms.

Dangerous

Thunderstorms save big danger. Each year, many people injured or even killed by lightning sting. However, the danger of thunderstorms was not on the sting. Real danger is that the impact of disaster thunderstorms like a flash flood, hurricane, waterspout, hail storms and snow, thunderstorms and even potentially create a tornado.

Continued Learned

Until now, scientists continue to study the lightning storm. The storm chaser-scalled for scientists studying thunderstorms-go to the Great Plains (United States) and the Canadian prairies in every spring to study the visual aspects of the storms and tornadoes. They use the radio signals emitted by cosmic rays to examine the development of electric charge in thunderstorms.

The Other Thngs About Lightning

The Eternity Lightning

Lightning

Clouds

Clouds is a collection of lumpy water vapor in the sky. It is white (sometimes gray) and looks like a mounting pile of cotton. Clouds cause a decline in various kinds of rain as the rain water, snow, sleet. But sometimes the clouds not to rain at all. Besides the rain clouds also be the cause of lightning, hurricanes, and even tornadoes.
The process begins with the formation of cloud water dipanasai by sunlight. Then the water transformed into water vapor (evaporates). The mass of water vapor that is smaller than the air causes it to rise into the atmosphere. Finally, the collected moisture and clumping in the sky.
Clouds move because it is driven by the wind. The form is also not fixed (dynamic). Therefore, the cloud has become a symbol of freedom for some people, especially young children. The air temperature is very influential in changing the form of clouds.