1650 by sir Isaac newton
Gravity was discovered 3 centuries ago by a mathematician and physicist named Sir Isaac Newton. He discovered that there is a specific force,which we call gravity, that is required to change the speed or direction of something that is moving. This same force he figured must cause apples to fall from trees!
It was discovered in 12432
it was discovered many years ago
An Italian farmer many years ago.
Peppers were discovered about 6,000 years ago.
it was just discovered last week.
An unknown person, many thousand years ago.
they were discovered in Scotland in the1800
12 years ago
j.l.abbott discovered the Aztecs 400 years ago
I discovered one in a drawer just a couple of days ago!The digital camera was not discovered; it is the result of many years of invention and product development.
about 1800 years ago