New Calculation of the Time of the Universe from Beginning to End
Considering that the universe was created from the Big Bang phenomenon and the Big Bang is an explosive process, it can be said that the universe continues to expand after the formation of stars, and the galaxies move away from each other.
A New Design to Manufacture Spaceships That Could Travel at a Speed Close to the Speed of Light
It should be noted that in vacuum space, by using the impulse of particles that have a speed close to the speed of light, it is possible to produce energy by which a spaceship could reach the speed close to the speed of light.