Most of us probably can't sense the presence of a nearby Newtype, but it doesn't mean we can't pretend. Gundam fans are probably familiar with this sound effect: It's the sound that accompanies the so ...

Aram Khatchaturian included a part for an unusual instrument in his 1936 Piano Concerto, something called the Flexatone. We hear a performance of the concerto with pianst Jean-Yves Thibaudet and the ...