We cam finally do away with the accursed beep-beep
I wrote before about the accursed "beep beep" that big machines make when they back up -- and even a few cars. There is an answer to it, and that answer has just come out of patent. So what can we do to ban the beep and make safer systems that don't destroy the peace and quiet of the air?
Read about that in this Forbes.com story at We cam finally do away with the accursed beep-beep