The only nuclear explosions in Japan were the two in WW2, on Hiroshima and Nagasaki.However I believe you meant the Japanese nuclear reactorexplosion, which was not a nuclear explosion it was either a steam explosion and/or a hydrogen/oxygen chemical explosion. That occurred at Fukushima.
Hydrogen is plentiful therefore cheep. It is also volatile if not handled properly. Comparatively, a hydrogen explosion can be close to a nuclear explosion damage wise.
The nuclear fusion uses Hydrogen to produce Helium. The fusion also releases a lot of energy, which is what causes the explosion.
I'm not sure but the strongest bomb is the hydrogen bomb
A spark or other heat source causes the accumulated hydrogen to react with oxygen in the air, making very hot steam. If there is enough hydrogen an explosion results.
A nuclear power station can not create a nuclear explosion. What CAN happen is that hydrogen could build up inside of the containment dome and if the build up becomes too intense, it can cause a hydrogen explosion, like the one in Japan recently. This explosion is dangerous only if you are close to it and are hit by the concussion or by the debris that is flying from the explosion. If this explosion is too large, it can damage the containment dome surrounding the reactor and this, in turn, releases some radioactive gases.
nuclear explosion?
There was no nuclear explosion in the Japanese reactors. The explosion(s) that damaged/destroyed the Japanese reactors were either steam explosions and/or hydrogen/oxygen gas explosions.A steam explosion is what destroyed the Chernobyl reactor. It is caused when cooling water flash evaporates.A hydrogen/oxygen explosion is caused when water decomposes on contact with overheated zirconium cladding on fuel pellets, releasing hydrogen gas. If enough accumulates and a spark happens it explodes. Three Mile Island began accumulating hydrogen like this but it was vented before it could explode.
The high temperatures created by the nuclear fuel rods led to the buildup of hydrogen gas which ignited.
When and what explosion? One of the nuclear test shots. If so which?Remember Chernobyl was not a nuclear explosion, it was a steam explosion and graphite fire.
"Nucear bomb" is very broad term, and encompases all bombs or weapons which utilize the explosive potential of specific elements, either by fusion or fission.The classic "nuclear bombs" use uranium or plutonium in a fission reaction to produce an explosion, where as a hydrogen bomb uses hydrogen, or specific isotopes of it (deuterium or tritium, either together or with another light-weight element) to produce a similar explosion (though usually larger in size), by mean of nuclear fusion.So technicaly, a hydrogen bomb is a type of nuclear bomb.
It can't explode like a nuclear bomb. It could have a steam explosion, as can any steam power plant. It is also possible for it to build up hydrogen gas if it runs too hot and damages its fuel rods, the hydrogen could explode.