New posts in Observers

A sees B's clock running slow and B sees A's clock running slow?

How can they prove the superposition of particle states prior to measurement?

What happens when relativistic effects stop?

The age of the universe

Will buoyant force change if the container is accelerated up or down?

Does someone falling into a black hole see the end of the universe?

The reference frame of $c$

Relativity of simultaneity - An example

Does the observer or the camera collapse the wave function in the double slit experiment?

What is the highest speed time dilation has been tested?