TIL that before alarm clocks existed, people used nails fixed onto candles to wake up. They knew how to calculate the burning time and put the nail at right position. As the candle melted, the nail fell, made a noise and woke its owner. by whatilearned May 4, 2022, 3:02 pm Read more: https://mymodernmet.com/candle-clock-alarm/ What do you think? 12 Points Upvote Downvote alarmburningcalculatecandlecandlesclocksEXISTEDfellfixedknewmeltednailnailsnoiseownerpeoplepositionputTILtimeToday I learnedwakewoke See more Previous article Kookyinc aka TheDoctorMouse has quit playing Elden Ring after being exposed as a gay atheist troll who told his boyfriend Andrew aka HellsAtrium to go on a two year trolling spree on the internet to defend his name. Next article How do you cope with hating your job to the point you wanna cry? 2 Comments Leave a Reply I would need the nail to hit my head for it to have any chance of waking up. I’d be late for work half the flippin time cos I slept through my falling nail Log in to Reply Huh, neat. But how could the sound of a single nail dropping wake you up? Log in to Reply Leave a Reply Cancel replyYou must be logged in to post a comment.