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[科学美国人60秒] 【整理】SSS 2008-02-08

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SSS 2008-02-08

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60-Second Science: February 6, 2008
Harnessing Power Wasted While Walking

A device that attaches to your knees could harvest the five watts you produce while walking. Karen Hopkin reports.



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【整理】SSS 2008-02-08【整理人】ZPC224
Transcript

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute.

Last month the journal Science reported that a Swedish company was planning on using the body heat generated by commuters in a Stockholm train station to warm a nearby office building. If that sounds too personal they’re not the only one thinking about ways to reuse wasted energy. A team of scientists from Ann Arbor, Pittsburgh and British Columbia have come up with the way to tap pedestrian power. They've created a device which straps onto your knees that can harvest energy from your stride the same way hybrid-electric vehicles recycle power during braking . Their report which appears in the February 8 issue of Science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones or two computers at once, which could be good news for people who live in countries where access to electricity is spotty. The bad news is the device could enable commuters to talk on the phone, listen to music, email their friends, play video games, check their stock codes and photograph themselves doing it just by pacing back and forth waiting for their morning latte. We beseech them not to on bended knee.

Thanks for the minute for Scientific American's 60-Second Science. I'm Karen Hopkin.
点!尔何如?鼓瑟希,铿尔,舍瑟而作,对曰:异乎三子者之撰。子曰:何伤乎?亦各言其志也。曰:莫春者,春服既成,冠者五六人,童子六七人,浴乎沂,风乎舞雩,咏而归。夫子喟然叹曰:吾与点也。
homework
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute.
Last month the Journal Science reported that the Swedish company was planning on using the body heat generated by commuters and storkom train station to warm nearby office building. If that sounds too personal they are not the only one thinking about ways to reuse wasted energy. A team of scientists from * in British Colombia have come up the way to tap pedestrian power. They have created a device which scraps until knees that can harvest energy from your stride the same way fiber electric vehicles recycle power doing breaking. Their report which appears in February 8th of science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones and two computers at once which could be good news for people who live in countries where excess to electricity is spotty. The bad news is the device couldn't able commuters to talk on the phone, listen to music, email their friends, play video games, check their stock quarts and photograph themselves doing it just by pacing back in force waiting for their morning lotay. We perceth them not to on bended knee.
Thanks for the minute for Scientific American's 60-Second Science. I'm Karen Hopkin.
practise makes perfect
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on swallow.sunny

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute.
Last month the Journal Science reported that the Swedish company was planning on using the body heat generated by commuters in the stockroom train station to warm a nearby office building. If that sounds too personal they are not the only one thinking about ways to reuse wasted energy. A team of scientists from Ann Arbor, Pittsburgh and British Colombia have come up with the way to tap pedestrian power. They've created a device which scraps onto your knees that can harvest energy from your stride the same way hybrid-electric vehicles recycle power during breaking. Their report which appears in February 8-issue of science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones or two computers at once, which could be good news for people who live in countries where excess to electricity is spotty. The bad news is that, the device could enable commuters to talk on the phone, listen to music, email their friends, play video games, check their stock quotes and photograph themselves doing it just by pacing back in force waiting for their morning latte. We beseech them not to on bended knee.
Thanks for the minute for Scientific American's 60-Second Science. I'm Karen Hopkin.
user posted image
We can always do better.
实现无障碍英语沟通
hw smile.gif

This is Scientific American’s 60-Second Science. I am Karen Hopkin. This’ll just hold a minute.

Last month, the journal Science reported the Swedish company was planning of using the body heat generated by commuters in the Stockholm train station to warm nearby office building. If that sounds too personal, there is not the only one thinking about * wasted energy. A team of scientists from Aalborg pittsburgh and British Columbia have come up a way to tap pedestrian power. They created a device which scraps onto your knee that can harvest energy from your stride the same way hyper-electric vehicles recycle power during breathing. The report which appears in the February 8th issue of Science shows walkers can generate about 5 watts of power without so much breathing as well. That’s enough energy to run 10 cell phones or 2 computers at once which could be good news for people who live in country where access to electricity is spotty. The bad news is the device could enable commuters to talk on the phone, listen to music, email with friends, play video games, check their status quos and photograph themselves doing it just by pacing back and forward, waiting for their morning latte. *

Thanks for the minute, for Scientific American’s 60 Second Science. I’m Karen Hopkin.
我真心希望能获得守护她的力量
怀着这份心意
我一直静静的凝视着窗外的风景

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on lochker smile.gif

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute.

Last month the Journal Science reported that the Swedish company was planning on using the body heat generated by commuters in the Stockholm train station to warm a nearby office building. If that sounds too personal there's not the only one thinking about ways to reuse wasted energy. A team of scientists from Ann Arbor, Pittsburgh and British Columbia have come up with the way to tap pedestrian power. They've created a device which scraps onto your knees that can harvest energy from your stride the same way hybrid-electric vehicles recycle power during breaking. Their report which appears in February 8-issue of science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones or two computers at once, which could be good news for people who live in countries where access to electricity is spotty. The bad news is that, the device could enable commuters to talk on the phone, listen to music, email their friends, play video games, check their stock quotes and photograph themselves doing it just by pacing back and forward waiting for their morning latte. We beseech them not to on bended knee.

Thanks for the minute for Scientific American's 60-Second Science. I'm Karen Hopkin.
我真心希望能获得守护她的力量
怀着这份心意
我一直静静的凝视着窗外的风景

On Skyro

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute.

Last month the journal Science reported that the Swedish company was planning on using the body heat generated by commuters in the Stockholm train station to warm a nearby office building. If that sounds too personal they’re not the only one thinking about ways to reuse wasted energy. A team of scientists from Ann Arbor, Pittsburgh and British Columbia have come up with the way to tap pedestrian power. They've created a device which straps onto your knees that can harvest energy from your stride the same way hybrid-electric vehicles recycle power during braking . Their report which appears in February 8 issue of Science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones or two computers at once, which could be good news for people who live in countries where access to electricity is spotty. The bad news is /, the device could enable commuters to talk on the phone, listen to music, email their friends, play video games, check their stock quotes and photograph themselves doing it just by pacing back and forth waiting for their morning latte. We beseech them not to on bended knee.

Thanks for the minute for Scientific American's 60-Second Science. I'm Karen Hopkin.


The happiest moment in my life is when I stay with you~~
on DaveyZhou

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

Last month the journal Science reported that the Swedish company was planning on using the body heat generated by commuters in the Stockholm train station to warm a nearby office building. If that sounds too personal they’re not the only one thinking about ways to reuse wasted energy. A team of scientists from Ann Arbor, Pittsburgh and British Columbia have come up with the way to tap pedestrian power. They've created a device which straps onto your knees that can harvest energy from your stride the same way hybrid-electric vehicles recycle power during braking . Their report which appears in February 8 issue of Science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones or two computers at once, which could be good news for people who live in countries where access to electricity is spotty. The bad news is the device could enable commuters to talk on the phone, listen to music, email their friends, play video games, check their stock quotes and photograph themselves doing it just by pacing back and forth waiting for their morning latte. We beseech them not to on bended knee.

Thanks for the minute for Scientific Americans' 60-Second Science. I'm Karen Hopkin.
Stay foolish. Stay hungry.
实现无障碍英语沟通
On uivb smile.gif

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

Last month the journal Science reported that a Swedish company was planning on using the body heat generated by commuters in the Stockholm train station to warm a nearby office building. If that sounds too personal they’re not the only one thinking about ways to reuse wasted energy. A team of scientists from Ann Arbor, Pittsburgh and British Columbia have come up with the way to tap pedestrian power. They've created a device which straps onto your knees that can harvest energy from your stride the same way hybrid-electric vehicles recycle power during braking . Their report which appears in the February 8 issue of Science shows that walkers can generate about five watts of power without so much as breaking a sweat. That's enough energy to run ten cellphones or two computers at once, which could be good news for people who live in countries where access to electricity is spotty. The bad news is the device could enable commuters to talk on the phone, listen to music, email their friends, play video games, check their stock quotes and photograph themselves doing it just by pacing back and forth waiting for their morning latte. We beseech them not to on bended knee.

Thanks for the minute for Scientific Americans' 60-Second Science. I'm Karen Hopkin.
I'm going to be a millionaire!
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