We've all heard of the wonderful invention that the Big Corporation or the Utilities suppressed...? Usually, that Wonderful Invention won't work, actually. But there's another possibility, too.... The workshop-laboratory was a mess. Sam Bending looked it over silently; his jaw muscles were hard and tense, and his eyes were the same. To repeat what Sam Bending thought when he saw the junk that had been made of thousands of dollars worth of equipment would not be inadmissible in a family magazine,