Keep Wishing For A Better Detector.

No. 1163: A Better Mousetrap
www.uh.edu/engines/epi1163.htm
University of Houston
Emerson meant that quality prevails in the marketplace, and that comes to light in an odd way with the history of mousetraps. We've made a vast investment of ingenuity in them. By now the Patent Office has issued over 4400 mousetrap patents. Yet only twenty or so of those patents have ever made any money.