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Harris, Tom Viewing 1 to 4 of 4
How Black Lights Work     View
Background about "why black lights make some objects glow but not others, and ... some interesting black light applications." Discusses the visible light spectrum and how black lights emit ultraviolet light, which cause phosphors (such as t ...

How Air Force One Works     View
This site explains the intricacies of Air Force One, technically, the "radio call name for any U.S. Air Force plane carrying the president of the United States" and generally Boeing 747-200B jets. Covers the history, amenities, and workings ...

How Hypnosis Works     View
This site describes the history and uses of hypnosis (such as habit-control related to smoking) and debunks misconceptions. Includes links to related sites. From How Stuff Works.

How Halloween Works     View
Background about where Halloween customs and traditions come from. Topics include Celtic roots (Samhain) and Christian roots (All Saints' Day and All Souls' Day), trick-or-treating, jack-o'-lanterns, bobbing for apples, and costumes. Also includes li ...


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