What’s An EmDrive? And Could It Take Us to the Stars?
The “EmDrive” claims to make the impossible possible: a method of pushing spacecraft around without the need for — well, pushing. No propulsion. No exhaust. Just plug it in, fire it up and you can cruise to the destination of your dreams. But the EmDrive doesn’t just violate our fundamental understanding of the universe; the experiments that claim to measure an effect haven’t been replicated. When it comes to the EmDrive, keep dreaming. It goes by various names — the EmDrive, the Q-Drive, the RF Resonant Cavity, the Impossible Drive — but all the incarnations of the device claim to … Read more