### How many colors are in the spectrum of visible light?

Newton divided the spectrum into seven named colors: red, orange, yellow, green, blue, indigo, and violet.

A standard American shot is 1.5 oz. A fifth of jack contains 25.6 oz. This means there are 17.07 shots in a standard fifth of Jack Daniels.

Since trees are different sizes, it would be difficult to say how much paper comes from one tree. According to one paper manufacturer, however, a cord of wood measuring 4 feet by 4 feet by 8 feet—or 128 cubic feet—produces nearly 90,000 sheets of bond-quality paper or 2,700 copies of a 35-page newspaper.

High-altitude military parachuting (or military free fall (MFF)) is a method of delivering personnel, equipment, and supplies from a transport aircraft at a high altitude via free-fall parachute insertion. Two techniques are used: HALO (high altitude – low opening) and HAHO (high altitude – high opening).

A boilermaker can refer to two types of beer cocktail. In American terminology, the drink consists of a glass of beer and a shot of whiskey. The beer is either served as a chaser or mixed with the whiskey. When the beer is served as a chaser, the drink is often called simply a shot and a beer.

No — shaving hair doesn’t change its thickness, color or rate of growth. Shaving facial or body hair gives the hair a blunt tip. The tip might feel coarse or “stubbly” for a time as it grows out. During this phase, the hair might be more noticeable and perhaps appear darker or thicker — but it’s not.

Google came from the mathematical term googol. It’s the number one followed by one hundred zeros. In its earliest version, Sergey Brin and Larry Page named their search engine “Back Rub.” They changed the name to Google, which stems from the mathematical term “googol.”

A human has a much lower biting pressure of 300 pounds per square inch. Wolves will travel for long distances by trotting at about five miles per hour. They can run at speeds of 25 to 35 miles per hour for short bursts while chasing prey. Wolves may travel 10 to 30 miles each day in search of food.