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Science Quickly

Bio-Battery Produces Power from Your Perspiration

Science Quickly

Scientific American

Science

4.2639 Ratings

🗓️ 20 August 2014

⏱️ 2 minutes

🧾️ Download transcript

Summary

Exercising in the future could make dirty clothes and some clean energy. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

Click on a timestamp to play from that location

0:00.0

Understanding the human body is a team effort. That's where the Yachtel group comes in.

0:05.8

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

0:11.0

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

0:19.6

To learn more about Yachtolt, visit yawcult.co.

0:22.7

.jp. That's Y-A-K-U-L-T.C-O.J-P. When it comes to a guide for your gut, count on Yacolt.

0:34.4

This is Scientific Americans' 60 Second Science. I'm Karen Hopkins. This will just take a minute.

0:40.5

Do you like working up a sweat, or do you feel like maybe sweat should work for you?

0:44.9

Well, hold on to your pseudoriferous glands, because researchers have designed a device that could someday produce power from your perspiration.

0:52.3

The schwezzy scheme was presented at the annual meeting of the American

0:55.2

Chemical Society in San Francisco. Stranuous exercise generates lactate, the molecule that makes

1:00.9

overworked muscles burn. Athletes sometimes evaluate their fitness by checking the lactate levels

1:05.8

in their blood. To cut down on blood draws, researchers came up with a monitor that could measure

1:10.6

the lactate in sweat.

1:11.6

The device they designed strips electrons from lactate, which creates a small electric current.

1:16.6

The strength of the current reveals the amount of lactate present.

1:19.6

To test the system, 10 volunteers wore the arm patch sensor while they rode a stationary bike,

1:24.6

and the device recorded the current they delivered as they

1:27.8

dripped. Then the researchers thought, what if they could tap into this energy to develop a sort of

1:32.3

sweat-powered bio-battery? Their proof of concept setup topped out at only about four micro watts of

1:37.9

juice, not even enough to run a watch. But with better electronics, exercising in the future

1:43.1

could make dirty clothes and some clean energy.

1:46.6

Thanks for the minute. For Scientific Americans' 60 Second Science, I'm Karen Hopkins.

...

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