tritium

Fusion Is Leaving the Physics Lab and Entering the Engineering Era

In 2025 two reactors held a piece of a star in place for over 20 minutes and produced no usable power. That paradox, not another unlimited-energy promise, is where fusion actually stands.

It's the Size of a Softball and Runs for 20 Years Without the Sun

City Labs' BOHR is the first commercially built nuclear-powered satellite ever launched. It is the size of a softball, makes less power than a wristwatch, and is not powering the spacecraft. The reasons it still matters have nothing to do with wattage.