This corralled supercooled liquid relies on the surprising property that some atoms in a liquid remain stationary regardless ...

For more than a century, schoolbook physics has divided matter into neat categories like solid, liquid, gas, and plasma. A ...

After conducting numerous experiments with potassium, Scottish researchers have claimed to have discovered a new stable state of matter that behaves both as a solid ...

THE tenets of physics can seem carved in stone. The speed of light is a constant. There are four fundamental forces. Theoretically, rules like these are open to revision. But new contenders had better ...

Two years ago, Ars was invited to Huntsville’s Marshall Space Flight Center to watch a team of engineers from NASA and Aerojet Rocketdyne fire up some 50-year old rocket components—specifically, the ...

Solid-fuel rockets are the dream weapons of military rocketeers. They have no pumps or valves to go wrong and are always ready to fire. Their big trouble is that they are harder to control than liquid ...