The Universe Is a Symphony of Vibrating Strings
The co-founder of Field String Theory explains why the universe has 11 dimensions rather than any other number.
Every Wednesday, Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comments section below and check back on Wednesdays to see if he answers it.
Today, Dr. Kaku addresses a question posed by John Menon: Why are there only 11 dimensions in the universe rather than something higher?