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.

So why not the atomic bomb? Nazi Germany ... end of the year the physicist Werner Heisenberg had calculated that nuclear fission chain reactions might be possible. When slowed down and controlled ...

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 ...

in 2019 to tackle energy shortage and climate change through the peaceful use of nuclear fission technologies. When asked about atomic bombs, he said he is opposed to the use of all types of bombs.

Rolls-Royce has won a £9bn contract to upgrade submarine nuclear reactors. The firm will also build reactors for new ...

The first fission reactor was designed to make the most powerful bomb ever created. Created in secrecy and known as the Manhattan Project, the nuclear fission "atom bombs" were used successfully ...

The Norwegian Nobel Committee awarded the prize to Nihon Hidankyo, a group of atomic bomb survivors, for “its efforts to achieve a world free of nuclear weapons and for demonstrating through ...