booyah acheived |
man am i a cool guy how come no one sees that
Posted by on Tue, 05 Oct 2004 12:20:00 GMT |
relativity |
There are, however, certain quantities that do remain constant. These constants are related to four-dimensional quantities known as metric tensors. From this Einstein proved that space and time are tw...
Posted by on Tue, 25 May 2004 11:53:00 GMT |
