What did Isaac Newton do in 1689?

Answer 1

He was in Cambridge university studying when he closed the blinds and only let little light in. He then put a glass prism on a table and saw a rainbow come out of it. Then he put another prism next to the first one and it came out the same as the beginning this is called "White Light".

Answer 2

In 1689, Isaac newton published his second major work, "Mathematical Principles of Natural Philosophy," which outlined his laws of motion and universal gravitation. This work laid the foundation for classical mechanics and revolutionized the understanding of the physical world.

Answer 3

Newton invented the reflecting telescope, among other items.

Answer 4

He invented the Newtonian Telescope which is a reflecting telescope which uses a concave mirror, plane mirror and objective lens.

Answer 5

In 1689 Newton became a Member of Parliment.

Answer 6

he invented telescopes

Answer 7

he discovered the laws of gravity