On Dec. 12, 1952, the world witnessed its first-ever nuclear reactor accident at Chalk River Laboratories right here in ...

Kar and his colleagues’ new reactor is completely solar-powered, meaning it requires no cables or batteries. At night, it filters CO2 from the air—similar to how a sponge soaks up water ...

The reactor's secret sauce is its unique three-chamber design with a special porous layer at its core. Think of it like a giant Brita filter for cleaning the air instead of water. While it's busy ...