Trying to get the down-low on gravity

Experiment could prove the existence of theoretical gravitons — but many think it won’t work

VACUUM ATTRACTION  Fleeting electromagnetic waves nudge parallel plates together through a phenomenon called the Casimir effect, illustrated here. If the same thing works with gravitational waves, it could prove the existence of particles that transmit gravity.

Emok/Wikimedia Commons (CC BY-SA 3.0)   

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