What Is Dark Matter?
The answer to this question is at the cutting edge of science, but one theory states that dark matter is nothing but ordinary matter in another dimension hovering right above us.
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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 comment section below and check back on Wednesdays to see if he answers it.
Today, Dr. Kaku addresses a question posed by David Hernandez: If subatomic particles can be in two or more places at once, could parts of us be travelling back and forth between parallel universes and could these particles be dark matter?
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