How to make a universe – with Harry Cliff
Ri Science Podcast
00:00
Is There Any Evidence That Inflation Happened?
There's lots of indirect evidence that inflation happened, but the question is, can we ever directly know that it happened? If you go back to about 300 an 80 thousand years after the big bang, times earlier than that, the whole universe was so hot that it was filled with this fireball. And if you try and send a particle of light through that firebll, it bounces off atoms and it doesn't get anywhere. Inflation would have done something to space time very like these black holes. It would have sent these ripples cascading out through the universe. But in the future, there are experiments planned at the south pole, high in the atacama deset, and
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