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 ...

An initiative called Breakthrough Starshot wants to explore another star system using ultra-powerful laser beams and wafer-thin spaceships. It's a goal that sounds so fantastic, you'd be forgiven ...

In this area researchers have now demonstrated a way around this, by using curved channels for the laser beams (paywalled paper) which inject the laser beam into the continuous cavity. Schematic ...