Content about “
The physics of observers

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What can we see?

Physics is all about observation. But how much can we actually see with the naked eye?
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What can science see?

Observing the smallest building blocks of matter doesn't involve seeing in the ordinary sense.
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Maths in a minute: Dark matter

Physicists believe that around 82% of all the matter in the Universe is invisible dark matter. But if it's invisible how do they know it's there?
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Cosmic models

Cosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.