Celebrated on December 21st
Did you know: The term ‘flashlight’ comes from the early style torches, that did not project light consistently but rather were required to be flashed on and off due to the lack of power available from the battery, and the type of switched used.
Source: Ten Random FactsDid you know: Interestingly, though torches can be considered as very simple devices, the first flashlight was only invented after the invention of the electric battery and the electric light. Many point to the late 1890's as the date of invention. Many believe that Conrad Hubert (aka Akiba Horowitz) the founder of ever ready company was its inventor however according to the New Yorker magazine dated 1947, Joshua Lionel Cowen, of Lionel toy train fame, invented the flashlight and later sold it to Hubert who marketed it as a novelty.
Source: Ezine ArticlesDid you know: No. In 2013, at age 15, Canada’s Ann Makosinski invented an LED flashlight that needs no batteries — it runs on heat from the hand that’s holding it! “The Hollow Flashlight,” as Makosinki calls it, taps the body’s thermal energy using Peltier tiles, which produce electricity when you heat one side and cool the other. She made it using aluminum tubing, PVC pipe, foam insulation, and the Peltier tiles.
Source: Kids Discover