Time Machine simulator IT IS NOT A GAME

TIME MACHINE and Twin Paradox. Relativity Theory simulation. DON'T ASK TO VISIT PAST, it is scientifically impossible! Educational FREE app. If you have downloaded this app on your device it means you have at least a minimum of knowledge about Relativity by A. Einstein. If not, please, DO NOT LEAVE 1 star as many idiots do. It is not possbile to travel in past.