Laser-charged Chinese drone can stay in the air indefinitely

Laser-charged Chinese drone can stay in the air indefinitely By Loz Blain January 12, 2023 A large photoelectric converter on the bottom of the drone harvests energy from the laser much like a photovoltaic panel, allowing the drone to stay in the air indefinitely Northwestern Polytechnical University / China Daily Researchers at Northwestern Polytechnical University in Xianyang, […]

New in 2023: Here comes the first-ever surface drone fleet

New in 2023: Here comes the first-ever surface drone fleet By Geoff Ziezulewicz  Jan 3, 06:16 PM An unmanned Saildrone Explorer at work off the coast of Bahrain earlier this year. The Navy plans to stand up its first-ever unmanned surface vessel fleet in 2023. (Navy)   Send in the sea drones! Er, or the “unmanned surface vehicles,” in the […]

Physicists Discover a New Way to ‘See’ Objects Without Looking at Them

Physicists Discover a New Way to ‘See’ Objects Without Looking at Them PHYSICS 29 December 2022 By DAVID NIELD Part of the transmon device that produces the quantum effects used to detect microwaves without interfering with them. (Mikko Raskinen/Aalto University) Ordinarily, to measure an object we must interact with it in some way. Whether it’s by a prod or […]