Do bubbles help washing up?

The Naked Scientists Podcast

Dr Chris Smith

Science Radio, Engineering, Naked Scientists, Natural Sciences, Technology, Life Sciences, Health & Fitness, Medicine, Science

4.6 • 957 Ratings

🗓️ 6 August 2011

⏱️ 54 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Do bubbles help or hinder when doing the dishes? Can we find evidence of material from Earth on the Moon? Can camera lenses cause fires? And is fluoride in drinking water safe? In this Question and Answer show, we tackle your science queries, finding out if higher air pressure means louder sounds and if plants from cuttings remain genetically identical over centuries. Plus, launching Lego men to Jupiter, making brain cells from skin cells, and how vampire bats home in on hot blood... Like this podcast? Please help us by supporting the Naked Scientists

Transcript

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0:00.0	Stripping down science
0:07.0	the naked scientists. Hello, it's Sunday the 7th of August. Welcome to the Naked Scientists. I'm Chris Smith and also
0:27.2	here this week are physicist Dave Ansel, hello Dave.
0:31.1	Hi there.
0:32.1	And also from our Naked Astronomy, Space Science, podcast, Dominic Forward, Hello, Dominic.
0:36.0	Hello, Chris.
0:37.0	Now, together, we're all taking on your science questions this week, including finding out,
0:41.0	do bubbles help or hinder when doing the washing up? Does Earth's rotation
0:46.0	affect or also the duration of an airplane flight and is the fluoride that's in
0:50.8	drinking water actually dangerous.
0:53.0	Dominic.
0:54.0	Plus we've got news this week that the Earth once had more than one moon and how vampire bats
0:58.8	home in on the jugula.
1:01.0	Scientists have discovered that they've got infrared sensors to help them locate
1:04.6	warm blood vessels.
1:05.8	And I've got a soapy experiment for you to try.
1:08.4	You just need a bowl and some washing up liquid or even better some liquid hand soap.
1:12.4	We'll tell you what to do with it apart from wash your hands. washing up liquid or even better some liquid hand soap.
1:12.8	We'll tell you what to do with it apart from wash your hands very shortly.
1:15.8	If you'd like to get in touch with us here at the naked scientist and we do love to hear from you.
1:19.3	You can tweet at naked scientist's right on our Facebook page,
1:23.1	that's at the naked scientist.com
	...

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