Specific Gravity Vs. API Gravity of Hydraulic Oil?

Answer 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 »

Top Q&A For: Specific Gravity Vs. API Gravity of Hydraulic Oil

When was gravity first discovered?

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 »

Do the CIA control gravity?

What are advantages of zero gravity?

driving distance from Jacksonville to Kennedy space center

How do I Use a Zero-Gravity Pen in Space?

The zero-gravity pen is commonly called a space pen; the Fisher Pen company invented the pen in the mid-1960s. It was meant to replace mechanical pencils and grease pens as writing instruments aboa... Read More »