This guy skips a rock on a frozen lake: what happens will leaves you speechless !!

Robert Maggi

November 14, 2014

This guy skips a rock on a frozen lake: what happens will leaves you speechless !!
Advertisement

Not everyone knows that by throwing a rock on a frozen lake you get what sounds a lot like a laser gun. This fascinating phenomenon derives from the fact that sound waves travel with different speeds depending on the material: in other words, the noise of the stone comes to our ears with different speeds depending on which surface it travels.

Advertisement
Advertisement