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Tech

Bizarre Stuff

Curious about airships or zoetropes? Want to build one? Created by Brian Carusella, this Web site spotlights unusual inventions and bizarre items. For each object, the site offers a history and review of how it was constructed. It features lots of ideas for interesting science projects and home experiments, along with easy-to-follow advice. Go to: […]

Humans

From the January 18, 1936, issue

A small model of a large telescope, pain relief for angina, and the lightest solid ever known.

Earth

Sinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes

Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.