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PBS Space Time
Sound Waves from the Beginning of Time
Season 5
Episode 11
Invisible to the naked eye, our night sky is scattered with the 100s of billions of galaxies the fill the known universe. Like the stars, these galaxies form constellations – hidden patterns that echo the reverberations of matter and light in an epoch long before galaxies ever formed. These are the baryon acoustic oscillations, and they may hold the key to understanding the nature of dark energy.
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12:39
One of the most important reasons we go to space is to know our own planet better.
17:14
Can something that exists be bad science?
18:56
It may be that our very DNA inherited its twist from the underlying handedness of reality.
17:21
Did God have any choice in creating the world? So asked Albert Einstein
18:19
What if, just before we reach the bottom, we find out that reductionism fails?
19:03
The biggest news in cosmology in recent years is that dark energy may be fading away.
18:50
Does this also explain why there are no aliens?
16:58
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?
14:50
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
16:30
There’s an extremely good chance that Earth once did have a ring system.
17:23
How is it possible to tell if a space rock will one day collide with the Earth?
15:58
Did you know that many of us have up to 4% neanderthal DNA?