If we're talking about kids powering their own devices, I think the
way to go is to turn work into play. The merry go round/hard bar
swing would fit in this category.
So basically, let's look at activities where energy exerted is ambient
anyway? What I mean is that the energy is being used up by
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On Thu, Oct 27, 2011 at 2:14 PM, Tony Anderson tony_ander...@usa.netwrote:
Has anyone estimated the work required to charge an XO? Mike Lee gave a
demo some time back at the Washington D.C. Learner's Club which seemed to
show that it would be a difficult workload for an adult athlete to charge
there?
FYI, this is exactly the concept behind PlayPumps for water pumping.
http://www.playpumps.co.za/
cjl
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Due to our battery-management system, it is impossible to charge an
XO laptop in less than about 110 minutes.
Are humans better at shorter bursts of higher power? Perhaps a
human-powered charging system would benefit from some intermediary
storage, either electrical or mechanical - supercaps,
alan jhonn aguiar schwyn wrote:
I think that not is for an adult athlete...
In Uruguay, in a site that not have electricity.. The childrens use this
dispositive..
And not need much effort than ride bikes for a while...
Regards
Alan
bear in mind that the *minimum* time it takes
Wow! De ja vu! I think I asked some of the exact same questions ages
ago here and have been discussing the exact same harvesting methods
with friends when hanging out:)
I think the biggest problem about these are currently cost and
fragility/durability.
The recess/lunch/playtime thing and
On Thu, Oct 27, 2011 at 12:00 PM, Paul Fox p...@laptop.org wrote:
alan jhonn aguiar schwyn wrote:
I think that not is for an adult athlete...
In Uruguay, in a site that not have electricity.. The childrens use this
dispositive..
And not need much effort than ride bikes for a
On 10/27/2011 11:45 PM, Richard A. Smith wrote:
Is the XO running or powered off?
Is it for a XO-1.5 or XO-1.5?
Oops. XO-1 or XO-1.5
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Richard A. Smith rich...@laptop.org
One Laptop per Child
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