-
3500 BCE
wheel
humans create the wheel -
1700 BCE
alphabet
Semites of the Mediterranean create the wheel -
600 BCE
static electricity
Thales of Miletus discovers static electricity -
three laws of motion
Isaac Newton discovers his three laws of motion -
piano
Bartolomeo Cristfori invents the piano -
electric clothes washer
Alva fisher creates the first electric clothes washer -
solar power house
maria telkes creates the first solar power house