[_Jim]

re: “The EM Drive is a relatively simple device: it’s an empty cavity that isn’t perfectly symmetrical.

According to proponents of the EM Drive, by bouncing electromagnetic radiation within the cavity, the tapering in the cavity result in a net thrust of the engine, despite nothing leaking from the drive. “

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“Radiation Pressure” from an antenna is one thing, what they’re trying is another ...

[Red Badger]

“The EM Drive is a relatively simple device: it’s an empty cavity that isn’t perfectly symmetrical.

Just like a liberal's head, doesn't work and nothing comes out..............