Download video: Big Mysteries: Extra Dimensions
TIP: Right-click and select "Save link as.." to download video
Initializing link download.....
The weakness of gravity compared to the other subatomic forces is a real mystery. While nobody knows the answer, one credible solution is that gravity has access to more spatial dimensions than the other three known forces. In this video, Fermilab's Dr. Don Lincoln describes this idea, with the help of some very urbane characters.