Curious Cat Science and Engineering Blog » Saturday Morning Science from NASA

February 25, 2006

Saturday Morning Science from NASA

photo of Don Petit

Saturday Morning Science from NASA:

Pettit prepared a solution of water, soap, and glycerin, and fashioned a bubble-wand from thin wire–a loop that could be re-sized from 3.5 cm (about 1.5 inches) to more than 15 cm (6 inches) in diameter. The experiment was ready. “But first,” recalls Petit, “I decided to try a ‘dry run’ with water only, no soap.”

He inserted the wand into a zero-g beaker and pulled it out again. “To my amazement,” he says, “when the 2-inch loop was withdrawn, a thin film of water clung tenaciously to the loop. I’ve never before witnessed such a large-scale film of water.”

See two videos and more information on the experiment on the International Space Station.

An explanation of surface tension

Previous post: Colored Bubbles

by curiouscat Tags: Education, Science, Students
Permalink to: Saturday Morning Science from NASA Trackback: http://engineering.curiouscatblog.net/2006/02/25/saturday-morning-science-from-nasa/trackback/

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