-
500 BCE
abacus
made math easier -
293 BCE
sundial
device that tells time using the sun -
206 BCE
compass
it was a device that showed the direction of north south east and west -
Sep 1, 724
first mechanical clock
the first mechanical clock made -
Évariste Galois prime number theory
Évariste Galois creates the prime number theory prime number theory which helped with sonar ping -
first telephone
the first telephone was made by Alexander Graham Bell -
colossus
alan turning made colossus the -
first electronic computer
Hideo yamachito made the first electronic computer -
atari
atari releases pong the first video game -
google
google was founded