Tubular laser beams can create what amount to fiber-optic cables made of thin air, researchers report in a study to appear in Physical Review X. Laser-heated air can efficiently transmit light signals ...
Fundamental ball-screw technology hasn’t changed much since 1929 when Rudolph G. Boehm patented a device he called an “anti-friction” nut. The ability to smoothly and precisely move heavy loads is a ...
A proof-of-concept study found that the same tech that carries high-speed internet might help track notoriously noisy insects. By Laura Baisas Published Nov 30, 2023 10:00 AM EST Add Popular Science ...
One's easier to work with than the other ...