The four fundamental forces act upon us every day, whether we realize it or not. From playing basketball, to launching a rocket into space ... a book on top of a table (instead of gravity pulling ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new ...

Gravity is probably the most intuitive and familiar of the four fundamental forces of nature ... Instead, it's a consequence of objects bending space-time. A large object works on space-time ...