Trying to get the down-low on gravity
Experiment could prove the existence of theoretical gravitons — but many think it won’t work
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/ag_casimireffect_free.png?fit=860%2C460&ssl=1)
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)