If you conceive of the Universe as the full suite of matter and energy we know, and the early stages had it all compressed into a tiny region of space, then why didn't it collapse into a black hole?
Two years ago, Reddit held an Ask Me Anything (AMA) session with Stephen Hawking (January 8, 1942-March 14, 2018). In this session the renowned physicist talked about the promise and risk of AI, technological unemployment, and more.
On her 150th birthday, that leaves us with the question of how to view Curie and her work. It would be wrong to downplay the significance of her scientific discoveries or her equally groundbreaking career, but it’s important not to focus on the temptingly romantic version of her story at the expense of a more clearheaded look at her legacy and what it means to modern science.
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A collaboration with Jorge Cham (PhD comics) and Daniel Whiteson gives a mind-bending answer to a deceptively simple question.
The only reason we can exist, today, is because one tiny imperfection in the early Universe allows the stars to grow hundreds of times as massive.
Distributing entangled photons over large distances could eventually be used to establish unhackable communications via what’s known as quantum cryptography.
New technique allows atomic spin properties to be measured simultaneously with greater accuracy
Top women in mathematics and physics discuss how they got to where they are — and why there aren’t more of them.
Regarding the future of quantum mechanics, I have to echo Viola in Twelfth Night: “O time, thou must untangle this, not I.”
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