(Encyclopedia) magnetic levitation or maglevmaglevmăgˈlĕv [key], support and often propulsion of objects or vehicles by the use of magnets. The magnets used in magnetic levitation suspend an object…
ON THE ALERTTOUCH-SENSITIVE FEELERSVISIONHEARINGSMELLFIND OUT MORETo find food, mate, avoid danger, and communicate, animals rely on information gathered by their senses. Information is…
E-mail Emergencies?
by Jarrett Tolman Kurt Vonnegut@MIT
"Ladies and gentlemen of the class of '97… Wear sunscreen." Thus began Kurt Vonnegut's commencement speech to the…
Here, There, EverywhereAnatomy and PhysiologyCardiovascular and Lymphatic CirculationVessels To and FroHere, There, EverywhereGoing Their Separate WaysOh, the Pressure!Drainage System In The…
Each year the American Lung Association issues their "State of the Air" report. They track ozone pollution, short-term particle, and year-round particle pollution…
Sneakers go back a long way. In the late 18th century, people wore rubber soled shoes called plimsolls, but they were pretty crude—for one thing, there was no right foot or left foot. Around 1892…
