ANCIENT CHINESE INVENTIONS

MAGNETIC COMPASS

• Invented in 250 BCE
• Created in the Han dynasty
• The invention came about because the Chinese noted that a magnetic rock, called a lodestone, always pointed the same way (north–south) when suspended or floated. Fine metal pointers, when rubbed on the stone, were found to have the same magnetic property. These were used as the first compass needles.
• Invented in china

GUNPOWDER

• Invented around 850CE
• During the Tang Dynasty
• By a Chinese scientist
• He made a mixture he hoped would give him everlasting life. Unfortunately, it exploded, burning his beard. This scientist had accidentally stumbled on a process for making gunpowder
• Invented in China

WOODBLOCK PRINTING

• Invented in early 200CE
• Invented in east China

SILK

• Invented by the wife of Huang Di- was the first to work out how to unravel silk cocoons
• Accidentally dropped a cocoon in water
• During the time of 3000BC
• Invented in China