When Was It Invented? The Technology Timeline Quiz

Greek mathematician Heron created a coin-operated vending machine for holy water around 215 BCE.

Before the iPod changed music in 2001, England's Kane Kramer created a similar player capable of playing a full 3.5 minutes of digitally stored music in 1979.

Odometers, which used pebbles to measure the distance between cities, were available as early as 27 B.C.E.

The first door knob designed to retract a latch and open a door was patented in 1878. Before that, knobs were used to pull the door in some cases, but a lever and handle were required to operate it.

The piano was created around 1700 by Bartolomeo Cristofori. Three of his pianos survive to this day, with one housed at New York's Metropolitan Museum of Art.

Dr. John S. Pemberton developed Coca-Cola way back in 1886 in his Atlanta pharmacy.

James Watt created the first mechanical copier - which used pressure to create a reversed copy of documents - in 1780.

Inventor E.A. Johnson developed the first touchscreen in 1965. His device was used by air traffic controllers for thirty years before it was replaced by newer technology.

Believe it or not, the teddy bear wasn't created until 1902, when the Ideal Toy Company created the bear as a tribute to Theodore Roosevelt.