Exploring how the $50 solar water heater works and how you can build it yourself for affordable home heating. #SolarHeater ...

Heating water is one of the most energy-consuming and costly household tasks. According to the Department of Energy, it makes up roughly 18% of a standard home's monthly energy budget. And if you use ...

Photovoltaic efficiency has come a long way over the decades, but there’s always room for improvement. A new study analyses how to make solar thermoelectric generators, or STEGs, more efficient by ...