this laser level eliminates the need for inconvenient and expensive-to-replace batteries, and for a higher-end, 360-degree option, it's pretty affordable. The level's red beam maintains visibility ...

Marktech Optoelectronics has announced new high-efficiency 25µm diameter resonant cavity light emitting diodes (RCLEDs) with ...

Physicists have managed to simulate a strange quantum phenomenon where light appears to arise from empty space a concept that ...

CAPE CANAVERAL, Fla. — An orange tabby cat named Taters stars in the first video transmitted by laser from deep space, stealing the show as he chases a red laser light. The 15-second video was ...

If you could sit perfectly still in a patch of space far from any stars, planets, or particles — utter emptiness — you might ...

Kansas City Chiefs. Philadelphia Eagles quarterback Jalen Hurts' 22-yard sideline strike connects with running back Saquon Barkley deep inside the red zone. Philadelphia Eagles' linebacker Josh ...

Understanding how to read a tape measure is crucial for any home or professional project. Tracking multiple measurements and keeping the equipment in top-performance shape can often be a challenge.

Kansas City Chiefs. Philadelphia Eagles quarterback Jalen Hurts' 22-yard sideline strike connects with running back Saquon Barkley deep inside the red zone. Philadelphia Eagles' linebacker Josh ...

cramming dubiously-sourced laser parts from China into the housing of an old radar speed gun. The device transmits so much energy that pulling its trigger can literally set stuff on fire with a ...