Five cheap ray bans uk ways daylight saving time changed more than the clock Share photoconversation requestdon't miss the conversationsign up to receive your daily conversation newsletter.Blame benjamin franklin.He came up with the idea while on a trip to paris.After rising early and marveling at the morning light, he mused that if people got up earlier they would use fewer candles.He explained his math and the lightbulb over his head in the journal de paris on april 26, 1784: "183 nights between 20 March and 20 September times 7 hours per night of candle usage equals 1, 281 hours for a half year of candle usage.Multiplying by 100, 000 families gives 128, 100, 000 hours by candlelight.Each candle requires half a pound of tallow and wax, thus a total of 64, 050, 000 pounds.At a price of thirty sols per pounds of tallow and wax(Two hundred sols make one livre tournois), the total sum comes to 96, ... Read more »