Archive for the ‘Motions and forces’ Category

Asteroid Threat - Thursday, March 2nd, 2000

How bad is the asteroid threat to Earth, and what are they doing to find any killer asteroids out there? Read the delightful debate between the no-problem and the killer-asteroid schools of thought.

Killer Asteroids: Ultimate Impact - Wednesday, November 4th, 1998

New searches are finding lots of asteroids. None of them are aimed at us — yet. How much damage have asteroids done in the past?

Walk on Water: How Spiders Do It - Thursday, February 12th, 1998

So what’s the deal with the simple water spider? This eight-legged marvel speeds across the water fast enough to escape predators, find prey, and chase off intruding spiders. But how does it move? It must be pushing the water backwards, but what is doing the pushing?

Radio Astronomy - Thursday, July 10th, 1997

New, large radio telescope gets better view of the universe. Want to tune in?

Air Bags: Dangerous or Not? - Thursday, January 23rd, 1997

Are air bags dangerous if used properly? How do air bags work, and why are they being used on Mars?

Cool Science Images

SciMax Theater

Virtual Science!

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That's bad. We're not fans of invasive species either. http://bit.ly/3QZwEt RT @WiscWaterLib: Bad news for Lake Michigan: http://ow.ly/E253 22 hrs ago
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Many environmentalists maintain that intense blasts of sonar, used to detect submarines, disorient, injure, and even kill marine mammals. 3 days ago
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