Knock, Knock — Your Evidence is Here

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The Big Bang has always evoked a sense of mystery, awe and curiosity among scientists and laypeople alike. But while the Big Bang has been well-established and well-documented in the scientific community for over 50 years, the question of how the universe expanded from “minuscule” to “gigantic” in a fraction of a second was the subject of a variety of theories. One proposed idea was called “inflation theory,” and while it was theorized and generally supported, there wasn’t enough evidence to determine if it was true.

Until this week.

On Monday, scientists announced that they had discovered the proposed “gravity waves” that now provide us an understanding of what happened within the the first 0.00000000000000000000000000000000001 second of the birth of the universe. To get a sense of just how important this finding is, consider that the discovery of the Cosmic Microwave Background radiation — which helped us get to within 380,000 years after the Big Bang — led to a Nobel Prize for Arno Penzias and Robert Wilson.

But while the science itself is quite exciting, what’s even more powerful is how scientists are responding.

One video that has been making the rounds is Professor Chao-Lin Kuo telling Professor Andrei Linde (one of the people who helped develop inflation theory) that after many decades, his theory was now supported by hard evidence:

There are several moments that are wonderful here (my favorite is when Linde and his physicist wife Renata Kallosh nearly collapse over the news), but there is one line Linde uses that borders on the religious.

“This is a moment of understanding of nature of such a magnitude that it just overwhelms,” he says. “Let us hope it is not a trick. I always live with this feeling: ‘What if I am tricked? What if I believe in this just because it is beautiful? What if…’” — and he trails off.

In other words, Linde had faith his theory was true, but until Kuo knocked on his door and reported his results, he didn’t know if his faith would be justified. Linde had no idea Kuo was coming, so his wife thought it was a delivery and asked, “Did you order anything?” “Yeah,” he answers, laughing, “I ordered thirty years ago! Finally, it arrived!”

Posted on March 20, 2014
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