Here’s what you’ll learn when you read this story: Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one ...

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Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...

In 2001, British Electrical Engineer Roger Shawyer first introduced the “impossible drive,” known as the EmDrive. It was called “impossible” because its creator purported that the drive was ...

British engineer Roger Shawyer introduced the EmDrive in 2001, claiming it could produce thrust without propellant, but rigorous testing by 2021 found no evidence it actually worked as advertised.