Yes, 104 operating nuclear reactors at last count
In the US, about 20 percent of electricity
The bombs used on Nagasaki and Hiroshima were both fission bombs, not fusion bombs.
Fission.
The element first used for fission in an atomic bomb is uranium.
We can use plutonium in nuclear fission devices.
Nuclear fission has been used in nuclear bombs and is currently being used in every nuclear power plant on the earth.
Both are used.
The isotopes 233U, 235U, 239Pu, 241Pu for a fission with low energy neutrons.
Producing electricity
nuclear energy
nuclear energy
Uranium is used to make energy by fission