Physics
Cosmic uncertainty: Your skull is an amazing physics lab
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Cosmic uncertainty: Five universal truths that might be wrong
In physics, things are as they are – until they're not. Here are five cosmic impossibilities that just might turn out to be true
Physics
Cosmic uncertainty: Are there antimatter worlds out there?
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Physics
Cosmic uncertainty: Are there really just three dimensions?
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Physics
Cosmic uncertainty: Does time go both ways?
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Physics
Cosmic uncertainty: Could quantum weirdness be even weirder?
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Physics
Cosmic uncertainty: Is the speed of light really constant?
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Space
Starlight test shows quantum world has been weird for 600 years
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Space
Gravity may have chased light in the early universe
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Space
Time might flow backwards as well as forwards from the big bang
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Physics
How to think about… Higher dimensions
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Technology
Antimatter mysteries: Can we make an anti-world?
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