Could there be a mirror universe, where everything is backwards – and everybody has goatees? How badly do you need to bend the laws of physics to make this happen? One of the great mysteries in cosmology is why the Universe is mostly matter and not antimatter. If you want to learn more about that […]
Podcast (audio): Download (Duration: 5:04 — 4.6MB)
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Podcast (video): Download (Duration: 5:27 — 64.6MB)
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