Edison's struggles

摘要

You may have seen the commercial for a company that helps people get their inventions to market.In it,a middle-aged man looks at the viewer and says,"Snap your fingers and the light comes on-that was MY invention."The one that got a way,in other words.For most of us,that is indeed as far as our inventions go-our head.I've been carrying two or three around with me for years.A repairman I had over to my house recently told me he held ten patents on various electrical/mechanical devices,and that he was certain his next patent,something to do with automotive batteries,was the Big One.