Apart from adding features, Mojang Studios has removed some from Minecraft PE (Pocket Edition). Two are the Nether Reactor Core block and the Nether Spire structure.

NANO Nuclear Energy Inc has assembled the first reactor core hardware of its ZEUS solid core battery reactor for initial non-nuclear testing. The fuel element being prepared for testing (Image: NANO ...

Crews will replace 256 of the 764 nuclear fuel assemblies in the reactor core with new fuel. The biennual fuel outages allow all fuel to be replaced on a rotating schedule every six years.

Crews will replace 256 of the 764 nuclear fuel assemblies in the reactor core with new fuel. The biennual fuel outages allow all fuel to be replaced on a rotating schedule every six years.

The National Ignition Facility's fusion reactor uses 192 laser beams to focus laser light into a hot-spot the diameter of a human hair. (Image credit: Science History Images/Alamy Stock Photo) ...

In 1952, Lt. Jimmy Carter, then 28, was one of the few people in the world qualified to enter a damaged nuclear reactor and help take it apart.

The breakthrough marks the first time that the core of a fusion reactor has given out more energy than it has taken in, but significant obstacles still need to be overcome.

The reactor is several stories high and about 15 feet across. At the bottom, fuel rods filled with radioactive uranium fill the core. The fuel roads are surrounded by more than a foot of concrete ...

Crews will replace 256 of the 764 nuclear fuel assemblies in the reactor core with new fuel. The biennual fuel outages allow all fuel to be replaced on a rotating schedule every six years.

Crews will replace 256 of the 764 nuclear fuel assemblies in the reactor core with new fuel. The biannual fuel outages allow all fuel to be replaced on a rotating schedule every six years.