Did You Know?
Ancient Greeks invented the first alarm clock that used water.
Plato created a water clock that would whistle when water reached a certain level. The device, called a clepsydra, was later modified to include a mechanism that would drop pebbles onto a gong at a specified time. This invention was the predecessor to modern alarm clocks.
Did You Know?
The first roller coaster was designed to spread Christianity.
Built in Russia in the 1600s, the first roller coasters were huge ice slides constructed under the orders...
Did You Know?
Ancient Romans used social media-like messages on walls.
Archaeologists have found thousands of messages carved into the walls of Pompeii, ranging from political campaigns to personal...
Did You Know?
Ancient Romans had professional applauders.
Called 'laudiceni,' these professional applauders were hired to attend performances and generate enthusiasm in the crowd. They developed...