When was gravity first discovered?

Answer Isaac Newton first introduced the theory of gravitation in his book, "Philosophiae Naturalis Principia Mathematica," written between 1665 and 1667. However, the book wasn't published until 1686, ro... Read More »

Top Q&A For: When was gravity first discovered

Who discovered the laws of motion&gravity?

Sir Isaac Newton discovered the laws of motion and gravity. According to legend, he came up with his theory on gravity in 1665 or 1666 when he saw an apple fall straight down. He later crafted the ... Read More »

Who discovered the laws of motion, light, and gravity?

The laws of motion, light, and gravity were discovered by English scientist Isaac Newton. The story goes that Newton first had the idea for gravity by watching an apple fall in his orchard in 1665 ... Read More »

Specific Gravity Vs. API Gravity of Hydraulic Oil?

Specific gravity and API gravity are both measurements of density. They both can be used to measure the gravity of a fluid, such as hydraulic oil, in the same way that miles or kilometers can both ... Read More »

When were the Fiji Islands discovered& who discovered them?

The original inhabitants of the islands of Fiji came from Melanesia some 3,500 years ago. Dutch explorer Abel Janzsoon Tasman sighted the northeast islands of Fiji in 1643. British Captain James Co... Read More »