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Meeting Danielle the Tarantula
Insect zoos have no lions, tigers, or bears but can give plenty of thrills, courtesy of tarantulas, giant beetles, and exotic grasshoppers.
By Susan Milius -
18984
You missed the papers that describe our experiments that produce ball lightning in our lab. We use a lightning-arc-producing apparatus. Clint SewardElectron Power SystemsActon, Mass. The ball-lightning article makes no mention of Nikola Tesla’s creation of ball lightning while generating megavolt discharges from gigantic Tesla coil arrays. Ted V. PowellBaldwin, N.Y.
By Science News -
PhysicsAnatomy of a Lightning Ball
Metallic fuzz, acid droplets, or other fairy dust may conjure up ball lightning (with video clips).
By Peter Weiss -
MathEuler’s Homework
Even the best and most prolific of mathematicians have had to do homework assignments.