Physics

From the archives: The Weight of Evidence – Gyroscopes can’t levitate UFOs

From the archives in 1990, Dave Love explains the physics of gyroscopes after a scientific paper claimed the devices could generate lift

From the archives: Perpetuum mobile – the fruitless search for perpetual motion

From the archives in 1989, Anthony Garrett looks at the popular quests to uncover perpetual motion - and why they always came up empty
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