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shehan
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Gold
Re: Paging Max Smart
shehan   9/30/2013 11:05:41 AM
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@McDermott  - yes effectively transferring that energy harvested wirelessly is the challenge for the developers. I've heard that they found a way to transmit and receive power wirelessly.

shehan
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Gold
Re: Sole power indeed
shehan   9/30/2013 11:00:55 AM
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@debera – Yes its great if this device is water proof and dust proof too. May be we will see the next level when it wirelessly transmits power to your device. 

shehan
User Rank
Gold
Re: Sole power indeed
shehan   9/30/2013 10:58:34 AM
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@debera – The uses of this product is enormous, now you no longer need to carry your travel charger or extra battery pack where ever you go. It's also great if this power could be stored on a power bank for later use. 

shehan
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Gold
Re: Creating awareness
shehan   9/30/2013 10:56:21 AM
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@MyDesign- Arranging some public awareness campaigns is good for people to understand how efficiently they need to use electricity. 

shehan
User Rank
Gold
Re: Sole power indeed
shehan   9/30/2013 9:57:57 AM
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MyDesign- yes today most of us know at least 2-3 methods of generating power. Most of them know how to save energy. This could be due to the rising electricity bills. 

shehan
User Rank
Gold
Re: Sole power indeed
shehan   9/30/2013 9:56:05 AM
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@Elizabeth – Compared to sometime back, now we have man y ways to have portable power. This one great innovation where we could generate some clean power instead of just consuming them. 

Pubudu
User Rank
Platinum
Re: Sole power indeed
Pubudu   9/29/2013 3:06:41 AM
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Elizabeth, can't this principle use the other way around, where the flow will harvest the energy according to the movement of the peoples. If it is applicable it may be harvest more power to a specific work. Like lighting street lamps ..........etc. 

Pubudu
User Rank
Platinum
Re: Sole power indeed
Pubudu   9/29/2013 2:41:58 AM
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True Debera, so that it can be use even when jogging, sweating want be a problem. I think that this will harvest more power when jogging than the normal walking due to fast movement.

Pubudu
User Rank
Platinum
Re: Sole power indeed
Pubudu   9/29/2013 2:33:25 AM
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Elizabeth this is really really interesting article, these are the innovations that we need in the future. I believe that if each person can produce their day today energy need there want be a much energy issue. This is the ideal way to start that cause that whether we like it or not we walk every day. 

ttemple
User Rank
Platinum
Re: Why not piezo?
ttemple   9/27/2013 6:35:35 PM
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From a wikipedia article on piezoelectricity

"DARPA's effort to harness 1–2 watts from continuous shoe impact while walking were abandoned due to the impracticality and the discomfort from the additional energy expended by a person wearing the shoes. Other energy harvesting ideas include harvesting the energy from human movements in train stations or other public places"[25][26]

Looks like someone has tried this before.

I would guess that piezo output characteristics are less suitable to battery charging than the generator.  Looks like piezo's are good for very high voltages, which is probably not what you want to charge a cell phone battery.

 

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