Solar Heater
The #solar #heater is a device for converting solar radiation #energy into #thermal energy used in heating #water for home purposes and warming . The solar heater consists of the following sections: #Storage tank...
Tagged: energy
Hydrogen Fuel Cell
#Fuel cells are electrochemical devices that convert direct #chemical #energy into #electrical energy and #thermal energy, with high efficiency, although the work of fuel cells can be likened to chemical batteries.
Perpetual Engine
We often hear on the internet about a #perpetual #engine or free #energy as we watch a lot of videos on YouTube showing inventions for such engines .
