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.
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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?