Clocks                                     

          Nobody knows when or who made the clock, all we know is that we are happy whoever it was, did.  The very first clock was the sundial.  It works because the shadow of the stick on the sundial works like the hands on the clock telling what time it is.  When the sun moves, the shadow moves like the hands on a clock.  The next major clock is a spring powered one.  Peter Henlein of Nuremberg, Germany invented the spring-powered clock in about 1510. Jost Burgi (1552 - 1632) has been credited with having invented the first clock with a minute hand in about 1577; however, it was not until the invention of the pendulum-regulated clock after 1656 that a minute hand became important.  Now clocks are the most used technology.  We don’t know where we would be without clocks.  

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