Recently North Korea created an international buzz
by announcing that it had successfully tested a Hydrogen bomb. For the common
man, it was just ‘a bomb’. But do we understand the ramifications of this test?
Can we at all comprehend what a Hydrogen Bomb is and the kind of devastation it
can cause?
North Korea already has
atomic bombs similar to ones used in World War II. The Hydrogen Bomb is much
more powerful than atomic bombs. In fact, they are the most terrifying of the
destructive inventions that humans have ever created, so far.
Let us explore the
difference between atomic bomb and hydrogen bomb.
The United States of
America used atom bombs against the Japanese during World War II; in
retaliation the Japanese attack on Pearl Harbor. Chemically speaking, the
process that occurs with these bombs is that of nuclear fission. Isotopes like
uranium-235 and plutonium-239 easily undergo fission. When a neutron hits their
nucleus, the nucleus splits, releasing more neutrons and a tremendous amount of
energy.
When you have large
mass of uranium -235 or plutonium -239, all that splitting and neutron creation
leads to a runaway chain reaction. Each
time an atom is split apart, it releases more neutrons and energy, which in
turn splits apart other atoms and release even more energy.
To create an atomic
bomb, scientists design explosives that can forge together pieces of
uranium-235 or plutonium-239 into critical mass. Once that happens, it is
potentially a lethal unit. These bombs are incredibly powerful and designed to
create havoc. The two dropped on Hiroshima and Nagasaki completely leveled
those two cities, exploding with forces of 15,000 and 21,000 kilo tons of TNT,
respectively.
The most powerful fission
bombs ever built can produce explosions equal to 50, 00,000 of TNT. If that wasn’t bad
enough, then came the Hydrogen bombs. These are thousands times more powerful
than atom bombs. The first hydrogen bomb the United States ever tested in the
Marshall Island in 1952, called Mike, and had a force of 10 million tons TNT.
The most powerful
hydrogen bomb ever created is a Russian nuke called Tsar bomb, literally “king
of bombs” had a yield of 50 megatons of TNT. A blast from the Tsar bomb could
cause radiation burns as far as 62 miles away. Windowpanes more than 500 miles
away shattered during the Tsar Bomb test.
How does the hydrogen bomb work?
Hydrogen bombs combine
both nuclear fission and a different process, known as nuclear fusion to
produce a far more powerful blast. The first stage of a hydrogen bomb involves
a fission explosion. That explosion, in turn, leads to a second stage fusion
reaction. The extreme heat and pressure from the initial atomic blast force
together Deuterium and Tritium (two light gases made from Hydrogen). When they
are forced together, some of the hydrogen atoms fuse into one another, creating
Helium
This process of fusion
releases even more energy per unit mass than fission does, and the energy
released from the fusion reaction also feeds back into the fission reaction,
increasing its output. All this happens near instantaneously.

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