Relativity Widget
Relativity Widget allows you to visualise Einstein's theories of relativity right on your home screen.
Two modes:
1. Special Relativity: imagine that you are in a spaceship travelling at a chosen speed. If you travel fast enough, time will pass differently on earth...
2. General Relativity: you are on earth while a friend of yours went on a journey, in a spaceship, at a chosen distance to a Schwarzschild black hole. If you are close enough, time will pass differently in the spaceship...
Privacy policy
Relativity Widget is a free app. This service is provided at no cost and is intended for use as is.
Relativity Widget doesn't collect or store any personal data. Relativity Widget doesn't require any subscription.