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Battery-Free Mobile Devices Communicate Pulling Signals From Air

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Elizabeth M
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Re: Self Powered Device
Elizabeth M   9/11/2013 9:18:39 AM
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But I agree--it's best to start with some things earlier in life.


I meant to comment on this earlier and forgot. Yes, this is totally true especially in one case (something I struggle with all the time living in a foreign country): language. I am still not a fluent Portuguese speaker (I get by, but it's not great) after nearly four years in this country, yet I watch chlidren with parents from different countries chatter away in each of their parents' languages and English, too (if it's not one of their parents' first languages). Kids really are sponges! Shame our brains turn to mush for these sort of things as we age.

Ann R. Thryft
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Re: Self Powered Device
Ann R. Thryft   9/12/2013 11:36:01 AM
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Although studies show that nearly everyone is a linguistic sponge for the first few years of life, some people acquire language more easily than others, and can continue to do so later on. I've noticed it runs in families; mine, for instance. I still remember some of the French I learned in high school and used when I was there in my 20s, and two other immediate family members were nearly bilingual in Spanish. For other people, learning hands-on stuff like auto repair or cooking, gardening, sewing or construction is easy to learn at any time in life.

AnandY
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Re : Battery-Free Mobile Devices Communicate Pulling Signals From Air
AnandY   9/22/2013 7:45:25 AM
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@ Mydesign, you have posed a relevant question because it is not mentioned in the article whether power is actually stored in the device's battery or it is just a live source of power and dies away as soon as the source is turned off. I would love if ambient power could be stored somehow.

AnandY
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Re : Battery-Free Mobile Devices Communicate Pulling Signals From Air
AnandY   9/22/2013 7:46:12 AM
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Powering the device by using television and cellular transmissions in the air would be a revolutionary thing even without any communication capability. People are availing communication services provided by a number of companies. Dead battery is a problem many times especially for on field professionals. If there could be such power source, people won't bother if it gives them the ability of free communication or not.

Cabe Atwell
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Re: Re : Battery-Free Mobile Devices Communicate Pulling Signals From Air
Cabe Atwell   10/23/2013 6:15:30 PM
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This would certainly benefit Rainforest Connection with their cell phone monitoring project for illegal deforestation. Their using solar cells to power old cell phones that listen for the tell-tale sound of chainsaws cutting down trees.

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