Lighting up the Andes [LED lamps].
This work relates how a pair of 62-year olds from Canmore, Alberta in Canada, have made it their mission to free remote communities from reliance on costly kerosene lighting. Anthony and Faith Harckham have developed a simple LED lamp which consumes only 1 watt and produces 30 lumens in a focused be...
| Vydáno v: | IEEE spectrum 41, 12 (2004). |
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| Hlavní autor: | |
| Médium: | Článek |
| Jazyk: | English |
| Témata: |