When a vessel goes down, a hydrostatic release unit decides whether its life rafts reach the surface or disappear with the hull. This explains the rigging, weak links, and pressure activated cutting ...

Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive material split, emitting neutrons.

Behind flood and bushfire disasters is a less visible influence: changes in the planet’s water cycle. Rainfall and ...

Scientists reveal how bacteria switch direction through a microscopic tug-of-war inside their motors, driven by energy and ...