Who Invented the Alarm Clock

An alarm clock is a typical clock that is designed to make a loud sound at a specific time. The principal usage of alarm clock is to awaken people from their sleep. For many people it doubles up as a reminder as well, reminding them to switch off the stove or take their medicines etc. The first alarm clock was invented by Levin Hutchins from New Hampshire in the year 1787. But the clock rang […]