New posts in Observers

Is the uncertainty principle just saying something about what an observer can know or is it a fundamental property of nature?

How does a photon experience space and time?

Would time freeze if you could travel at the speed of light?

Why can I never see any stars in the night sky?

What will the universe look like for anyone falling into a black hole?

Isn't the uncertainty principle just non-fundamental limitations in our current technology that could be removed in a more advanced civilization?

How can time be relative?

Intensity of Hawking radiation for different observers relative to a black hole

How can anything ever fall into a black hole as seen from an outside observer?

Why is time-order invariant in timelike interval?