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latest #lightwithoutbatteries created topics | Ecency
overunitydotcom
Solar energy
2021-12-27 04:20
Luminiser Thermogenerator lamp free energy light from just a heat difference
The #Luminiser #Thermogenerator is a device for generating LED light from a temperature difference in heat. its using a Peltier element or the #Seebeck-effect to generate #electrical-power from a
$ 1.261
16
