Q: speed of light in glass A: c (speed of light) and small glasses are not compatible
Q: magnetic moment of cobalt atom A: wolfram alpha isn't sure what to do with your input
(note just "cobalt" has the information but you have to dig a little)
Q: band structure of bismuth A: Wolfram|Alpha isn't sure what to do with your input
Q: polarizability of sodium atom A: Wolfram|Alpha isn't sure what to do with your input.
Q: dipole moment of water A: Wolfram|Alpha isn't sure what to do with your input.
Q: isotopes of copper A: good job! (this one actually gives me what I'm looking for)
I just read it can do music so..
Q: bach A: has a very small amount of info and a cute timeline of birth and death
<same for charles mingus, and ozzy osbourne>
Q: bach english suites A: Wolfram|Alpha isn't sure what to do with your input.
It's also really annoying that it does the HAL9000 thing like every other query.
Nice effort - better luck next time. I'm sticking with the CRC handbook and GOOG.