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Physics

Darren Gough from Vancouver, BC asks,

Have you ever hit the top of a glass juice bottle with your fist. It makes a very loud cracking...

the answer

Indeed the vacuum inside the juice bottle is the key to the explanation of this...

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Physics

C. Erik Grisham from Washington asks,

Is there an exact relationship between Gravitational forces and Centrifugal forces? If so, is...

the answer

Ah, Erik, you are the 27,567,233th victim of the Pseudoforce Conspiracy, a...

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Chemistry

Andrew Foster from the Internet asks,

In the book Cat's Cradle by Kurt Vonnegut, Jr., there is a chemical compound called Ice-nine....

the answer

Yes, in real life there is something called Ice-9. If you take water and...

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Biology

Bethany Garrison from Summerville, SC asks,

My mom and I are having an argument. She claims that the gene for blonde hair will be wiped out...

the answer

I don't know what your genetics knowledge is but you sound more informed...

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