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Showing posts with label Science. Show all posts
Showing posts with label Science. Show all posts

1.Jonathan James


James adalah orang Amerika, saat baru umur 16 taun dia dikirim ke penjara karena kelakuannya di dunia maya. Situs departemen pertahanan Amerika dibobol olehnya dan dia cuma bilang itu tantangan bagi dia dan merupakan suatu kesenangan tersendiri. NASA juga terkena dampak keisengan dia, James mencuri software NASA yang diperkirakan seharga $1.7 juta dollar AS. Sehingga NASA dipaksa untuk mematikan server dan sistemnya. Karena kelakuannya, dia
juga tidak boleh menyentuh komputer selama 10 tahun. Tapi sekarang dia sudah di jalan yang benar dan bikin sebuah perusahaan keamanan di bidang komputer.


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Over the past 20 years scientists at CERN have been using antiparticles in many different ways for their daily work. 

Antiparticles can be generated by colliding subatomic particles. Before being delivered to the various physics experiments, they must be isolated, collected and stored in order to tune their energy to the appropriate level.


Until now, each of these steps has been carried out by a dedicated machine with the main purpose of providing high energy antiparticles. 


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The history of antimatter begins in 1928 with a young physicist named Paul Dirac and a strange mathematical equation...
The equation, in some way, predicted the existence of an antiworld identical to ours but made out of antimatter. Was this possible? if so, where and how could we search for antimatter?
From 1930, the search for the possible constituents of antimatter, antiparticles, began, and it has been the main influence behind a major scientific and technical evolution over the last 70 years.

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If you could convert all of the energy contained in 1 kg of sugar, or 1 kg of water, or 1 kg of any other stuff, you could drive a car for about 100,000 years without stopping!
Why? Albert Einstein, in 1905, wrote down the famous equation E=mc2. It says that mass is a very concentrated form of energy.
Energy is like the 'money' of nature; it comes in two different currencies, and with an enormous exchange rate - the square of the speed of light .
1 kg corresponds to 25,000,000,000 kWh of energy; 1 gr would be enough to supply energy to a medium-sized town for a whole day!
But how can energy be transformed into matter, or vice versa?

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