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Science and Nature
PBS Space Time

The Universe Itself Might Be Hiding the Gravity Particle From Us

PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.

The Universe Itself Might Be Hiding the Gravity Particle From Us

Season 11 Episode 19 | 18m 42s | CC

To progress to the next level in understanding reality, we need to combine quantum mechanics and Einstein’s general relativity. And to do that, most physicists believe we need a theory of quantum gravity which means we need gravitons.

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