Bloch oscillations are periodic oscillations of quantum particles in a repeating energy "landscape" (e.g., a crystal lattice) ...

This is the best, most flexible wireless gaming headset available, and the only one with swappable batteries. The Arctis Pro Wireless features a desktop wireless transmitter with a handy control knob, ...

Amazon has a terrific deal on The Dark Crystal Collector's Edition. Released last year for $100, the limited-edition 4K box set of Jim Henson's beloved dark fantasy film is on sale for only $50. Fans ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...