microwave

Drone weapons: Microwave device can be used to shoot down other drones

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A compact weapon that generates a beam of microwaves can knock out electronic devices without causing harm to people Technology 14 February 2022 By David Hambling Artist’s impression of drones carrying the Leonidas Pod Epirus A microwave weapon that can be carried by a drone is powerful enough to shoot down other drones and can … Read more

What is the cosmic microwave background?

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The cosmic microwave background (CMB) is leftover radiation from the Big Bang or the time when the universe began. As the theory goes, when the universe was born it underwent rapid inflation, expansion and cooling. (The universe is still expanding today, and the expansion rate appears different depending on where you look). The CMB represents … Read more