Whack It?
Many years ago while in an electrical engineering class about to watch a VHS video on some high-tech topic, the professor, a brilliant man with several advanced degrees and author of several technical books, could not get the TV to work. He tried a number of things to solve the problem to no avail. He called in the lab tech in, a grizzled middle-aged brute, who scratched his beard, looked over the situation, and confidently whacked the TV on its side. It immediately started working and the class erupted in applause and cheers and a standing ovation. I learned more from that incident than from any of my engineering classes!
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