Why Are There 5,280 Feet in a Mile? Making Sense of Measurements. Why are there 5,280 feet in a mile, and why are nautical miles different from the statute miles we use on land?
Why do we buy milk and gasoline by the gallon? Where does the abbreviation "lb" come from? Let's take a look at the origins of a few units of measure we use every day. VW Factory - Germany. Free Computers Video Lecture courses. Simple animation to explain complex principles. 1, aircraft radial engine 2, oval Regulation 3, sewing machines 4, Malta Cross movement - second hand movement used to control the clock.
10 Futuristic Materials. Lifeboat Foundation Safeguarding Humanity Skip to content Switch to White Special Report 10 Futuristic Materials.
A Fascinatingly Disturbing Thought&Video. Why Nikola Tesla was the greatest geek who ever lived. Wanderlust: GOOD traces the most famous trips in history.