Mathematical concept of the fourth spatial dimension (this is not about time as the fourth dimension, aka spacetime).
Notes:
#1: (1:10) Obviously your room would only exist...
15-year old Shawn Johnson of Des Moines, Iowa clinched the women's all-around world title after an outstanding floor routine. Johnson was fifth after two rotations...
Compilation of Congressman Ron Paul at the Fourth GOP Presidential Debate held in the Whittemore Center at the University of New Hampshire on September 5th,...
