There is nothing in science fiction that is thought about more than time travel. Instead of taking a vacation to Disney World, or a remote island, one could go on vacation to July 4th 1776. Instead of going to one's grandmother's house for Thanksgiving dinner, one could spend the day with ...

Gravity is one of the forces of nature that can be said to be a i¿½fundamental as well as universal force of naturei¿½, which, according to scientists, is one of the four forces of nature, namely, strong, weak, electromagnetic and gravitational. Physicists, to date have not been able to form a ...

The Age of the universe is argueably mankind's greatest discovery of the 20th century. Astronomers say the age of the universe is between 12-20 billion years old, and scientists at NASA say the age of the universe is 13.7 billion years old .As if that's not already hard...

The Rise of Einsteinian Special Relativity In 1905, Einstein's Theory of Special Relativity was proposed. The reason that it is so "special" is because it was part of the more complex and extensive Theory of General Relativity, which was published in 1915. His theory reshaped t...