Why Do Water Glasses Sing?

Why Do Water Glasses Sing?

Imagine pushing a child on a swing set. When, exactly, do you push? Intuitively, most of us wait for the swing to be at its closest, then give it a shove as it starts to fall away. At any other time we’d either be inviting a collision or chasing after the child.  Amplifying the swinging

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Chemistry on Valentine’s Day!

Chemistry on Valentine’s Day!

Puns abound in our Valentine’s day video, but we’re not about to let a holiday get in the way of talking about cool science! These cool color changes are brought about by chemistry, specifically by a little number known as pH. While it is pretty common knowledge that this number indicates how acidic something is,

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