-
250
COMPASS
The Chinese developed the first compass as early as the 3rd century B.C.E. The first
Chinese compasses were pieces of a magnetic mineral
called lodestone. EXPLORATION AND TRAVEL -
250
WATER TIGHT COPARTMENTS
By the 2nd century C.E., they started building
ships with separate, watertight compartments. -
450
PADDLE WHEEL
Within China, people often traveled by boat on rivers or
across lakes. An innovation of a vessel called a paddlewheel boat made this type of travel must faster. -
Jan 1, 750
PAPER MONEY
Paper money was invented by the Chinese in the late 8th or early 9th century. Before that time, coins were the only
form of currency. -
Jan 1, 750
MECHANICAL CLOCK
The Chinese developed the first mechanical clock in about the 8th
century. The new clock was more accurate than earlier timekeeping devices, such as sundials and hourglasses. -
Jan 1, 850
GUNPOWDER
Accidentally discovered by alchemists working with saltpeter looking for the secret to eternal life. MILITARY TECHNOLOGY -
Jan 1, 850
PLAYING CARDS
Game cards were invented in China in about the 9th century. Printers used
woodblock printing to make the cards from thick paper. -
Jan 1, 950
FLAME THROWER
By the 10th century, the Chinese had made the first weapon that used gunpowder, the flamethrower. MILITARY TECHNOLOGY -
Jan 1, 1300
ROCKET
Rocket technology was developed in China during the Song dynasty. Rockets were powered a black powder made of saltpeter, charcoal, and sulfur.