“A drop can bounce”
November 11, 2009 @ 6:53 am | Filed under: Fun Learning Stuff, Science
The everyday magic of surface tension: “the quality of a liquid that causes the surface layer of that liquid to behave like an elastic sheet.”
HT to my hubby, as usual. He always finds the best stuff.
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At 7:54 am
Rebecca said:
Wow. Very cool!
At 8:30 am
Anna said:
I’m not super-sciency, but it seems this could change a lot in the physics world.
What’s most amazing to me is that the last little drop (at the end of the clip) didn’t even cause a ripple as it bounced. Wow.
At 10:39 am
a reader said:
. . .this begs the question: what is the surface tension of a cupcake? Why does the cupcake behave like an elastic sheet calling forth repeat bounce-backs? And more importantly can that ingredient be removed without diminishing the taste?
At 12:56 pm
Esther said:
Amazing! Thank you for sharing!
At 2:56 pm
Elizabeth Varadan said:
Wow, who knew?
At 4:35 pm
Sarah N. said:
Really cool. I’ll definitely have to show my 6yo. It reminds me of an experiment we did this week about antibubbles (water surrounded by a thin film of air rather than air surrounded by a thin film of water). There’s a cool video at the site: http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/bubbles-that-sink-antibubbles/
At 6:41 pm
Sally Thomas said:
Very nifty. Know what we’ll be doing for science next time . . .