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PBS Space Time
The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.
Season 11
Episode 32
Last year, DESI made headlines when its map of the Universe suggested dark energy, the force driving cosmic expansion, might not be constant. Now, the Dark Energy Survey (DES) has released its final results. Do they confirm DESI’s findings? More importantly, why are different scientific studies far more powerful together than alone? The answer gets to the heart of how science works.
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16:51
Let’s talk about quantum gravity experiments that can be done here on Earth!
19:25
What if gravity isn’t weirdly quantum at all, but rather … just a bit messy?
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Have we reached the end of the line of discoverable elements?
18:26
Learn about Nobel laureate Roger Penrose's idea of how consciousness is caused by quantum processes.
16:28
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20:07
All particles belong to two large groups: fermions and bosons.
16:11
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17:25
So you’ve decided to jump into a black hole...
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13:28
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20:15
To travel the stars without faster than light travel we’re going to need a generation ship.