When we try to make new elements and launch atoms at one another they don’t blow up, but when you do that in a nuclear device it ruin’s cities
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The nuclear bomb that detonated over Hiroshima contained 64 kg of Uranium. Less than 1 kg of it went through fission. The amount of released energy was 15 kilotons of TNT which is equal to 63 Terajoule = 63 * 10^12 = 63,000,000,000,000 Joules
One joule is the energy something with 1 Watts used each second. So a 10 Watt lamp uses 10 joules each second. A human generates around 100W of heat to 100 joules every second. A candle is around 80 W or 80 joules per second
One mole of Uranium-235 has a mass of 235 grams so around 4 moles of Uranium-235 atoms went through fusion.
A mole is just a number of objects like a million, it is a very large number of objects. It is defined as exactly 6.02214076×10^23 =602,214,076,000,000,000,000,000 or 602 thousand billion billion. Les just use 6 x 10 ^23 for simplicity
If you look at the energy number compared to the number of atoms it is quite clear that the number of atoms required to release 1 Joule of energy is large.
If we calculate the number of Uranium-235 that need to go through fission to release 1 joule it is 4 x 6×10^23 / (63 x 10^12 ) = 3.8 x 10 ^10 = 38 billion 38,000,000,000
If you compare it to a candle it releases the same amount of energy as 3 trillion Uranium-235 that undergo fission every second.
So if you just use keep the number of atoms in the particle accelerator not too high the amount of energy in it is not that high.
It can still be a relatively large amount of energy. If you look at https://home.cern/news/news/accelerators/lhc-report-full-house-lhc the Large Hadron Collider has 2556 bunches of proton in the accelerator and each beam has 115 billion protons the total energy in a beam is 300 million Joules. They know how it will interact and the rate energy is released and has designed the device so it can handle it.
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