Nuclear Power

Explore nuclear power, reactor technology, safety, fuel cycles, costs, and its role in reliable low-carbon electricity generation.

What is nuclear fission? The weird atomic trick that boils water and powers cities

Featured illustration of nuclear fision showing an atom splitting and releasing energy next to a boiler, steam system, and turbine generator producing electricity.

Nuclear fission sounds like the kind of thing you should only discuss in a bunker with three physicists and a lockbox. It is actually much simpler than that. Split a heavy atom, collect the heat, boil water, spin a turbine, make electricity. Here’s what nuclear fission is, why it exists, how it works, where it shows up in real life, and why it matters more right now than a lot of people realize.

What is nuclear fusion — and are we finally close?

A glowing artificial sun inside a futuristic reactor, representing nuclear fusion and the attempt to create star-like energy on Earth.

Nuclear fusion is the dream machine of energy: no smokestack, no coal train, no ordinary reactor fuel rods, just light atoms squeezed so hard they snap together and spill out astonishing energy. The twist is that fusion is both real and not ready. Scientists have crossed major milestones, but a lab triumph is not the same thing as cheap electricity on your wall socket. Here’s the simple version, without the fog.