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How fast can a human possibly run 100 meters?
How fast can a human possibly run 100 meters?
The all-time record is Usain Bolt’s 9.58 seconds, set in 2009. What is the fastest time, ultimately, for an ideal human body?
Ethan Siegel
Jul 29
Ask Ethan: Does time exist, or is it an illusion?
Ask Ethan: Does time exist, or is it an illusion?
The passage of time is something we all experience, as it takes us from one moment to the next. But could it all just be an illusion?
Ethan Siegel
Jul 26
Deep space really is completely dark, New Horizons shows
Deep space really is completely dark, New Horizons shows
From inside our Solar System, zodiacal light prevents us from seeing true darkness. From billions of miles away, New Horizons finally can.
Ethan Siegel
Jul 25
The cosmic redemption of astronomer John Couch Adams
The cosmic redemption of astronomer John Couch Adams
Adams was infamously scooped when Neptune was discovered in 1846. His failure wasn’t the end, but a prelude to a world-changing discovery.
Ethan Siegel
Jul 24
10 profound answers about the math behind Artificial Intelligence
10 profound answers about the math behind Artificial Intelligence
It’s knowledgeable, confident, and behaves human-like in many ways. But it’s not magic that powers AI though; it’s just math and data.
Ethan Siegel
Jul 23
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