Alarm clock history
Alarm clock is a clock designed to create a loud sound at a particular time.Discover the oldest Sun watch in Egypt
Scientists at the University of Basel (Switzerland) on March 14 discovered one of the oldest Sun watches in Egypt, dating from an estimated 3,300 years, while excavating at theThe inventions help see the time before the clock
Clock is an indispensable item in daily life. But do you know how the clock is viewed before the clock is available?