Nuclear energy's role in reducing carbon emissions and high efficiency makes it a significant player in the clean energy ...

During fission, a fast-moving neutron splits ... Fermi's idea had worked, and the first controlled, self-sustaining nuclear chain reaction -- the first controlled flow of energy from a source ...

Yet despite improvements in the design of nuclear-fission reactors ... but requires a chain reaction for the reactor to remain self-sustaining. By comparison, a fusion reactor generates an ...

O. Hahn and F. Strassmann 1 have discovered a new type of nuclear reaction, the splitting into two smaller nuclei of the nuclei of uranium and thorium under neutron bombardment. Thus they ...

This causes the nucleus to break apart and release additional neutrons that can trigger further fission reactions, resulting in a chain reaction. This reaction is the basis for current nuclear ...

Nuclear fission does not release the greenhouse gas, carbon dioxide. A controlled nuclear fission reaction releases one million times more energy per kg than a chemical reaction such as burning ...

It’s rarely appreciated just how much more complicated nuclear fusion is than nuclear fission. Whereas the ... challenge is to keep the nuclear chain reaction within safe bounds, nuclear fusion ...

Imagine the power of the bomb dropped on Hiroshima in 1945 and then multiply it by 670,000 times. Terrifying doesn't really ...

Many of the features of the reactor are designed to control the speed of the reaction and the temperature inside the shielding. An uncontrolled fission reaction is the basis of an atomic bomb.

China plans to start construction of the world’s first fusion-fission power plant, with the aim of generating 100 megawatts ...

Most new nuclear fission reactors being built today are of the light water reactor (LWR) type, which use water for neutron moderation into thermal neutrons as well as neutron capture. While ...