Knowledge of a laser beam's shape and output-power distribution is critical for optimizing laser performance. Neil Savage summarizes the latest beam-profiling products on the market. People using ...

Nasa has streamed an ultra high-definition video of a cat back to Earth from the depths of space. The 15-second clip of Taters the cat was sent via laser - and fittingly shows it chasing a laser beam.

Laser beams powered by the sun are one small step ... University in Scotland who is involved in the collaboration, told Live Science in an interview. "If it's possible in nature, we should be ...

Read more: Smart aliens might live within 33,000 light-years of Earth ... sail": the device that would need to "catch" the laser beam and convert its energy into motion. Some researchers question ...

Israel’s experimental air-defense system known as the Iron Beam uses laser technology to strike down drones and rockets, but military analysts say the device needs U.S. support to improve its ...