Why You Should Think Twice Before Buying That ‘10,000 Lumen’ Flashlight
Tamer A Soliman/Shutterstock In 1899, David Misell, a Brit living in New York City at the time, patented the first modern tube flashlight (patent number 717,592), a handheld device he called an electric hand torch that used three dry-cell batteries and an incandescent bulb. While flashlight is a term used in the U.S. for a portable … Read more