Talk:Environmental Impact

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Revision as of 02:09, 6 December 2007 by 148.87.1.170 (talk) (Consider the food impact too.)
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If the laptop battery is recharged using muscle power, it will impact the food a child needs. A simple conversion assuming a 90% efficient charging cycle and 15% efficient human food to muscle power conversion results in 105-140 calories of food required for each laptop recharge. Extra calories used due to thinking more aren't included!

NiMH LiFePO4
Wh 16.5 22.0
cal 14187.4 18916.6
kcal (aka food calories) 14.2 18.9
generator efficiency 90% 15.8 21.0
human food to muscle work conversion efficiency 15% 105.1 140.1