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Ask Ethan: What Does ‘Truth’ Mean To A Scientist?

20 Jul 2019, 14:01 UTC
Ask Ethan: What Does ‘Truth’ Mean To A Scientist?
(200 words excerpt, click title or image to see full post)

If you look farther and farther away, you also look farther and farther into the past. The farthest we can see back in time is 13.8 billion years: our estimate for the age of the Universe. It’s the extrapolation back to the earliest times that led to the idea of the Big Bang. While everything we observe is consistent with the Big Bang framework, it’s not something that can ever be proven. (NASA / STSCI / A. FELID)It’s very different from the colloquial meanings of “true-and-false” or “right-and-wrong.”In many ways, the human endeavor of science is the ultimate pursuit of truth. By asking the natural world and Universe questions about itself, we seek to gain an understanding of what the Universe is like, what the rules that govern it are, and how things came to be the way they are today. Science is the full suite of knowledge that we gain from observing, measuring, and performing experiments that test the Universe, but it’s also the process through which we perform those investigations. It might be easy to see how we gain knowledge from that endeavor, but how do scientists arrive at the idea of a scientific truth? That’s Curtis Brand’s ...

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