Scientists in Ghana have developed a device that combines a conventional solar PV-powered steam cooker with sand-based thermal energy storage. The system can achieve a thermal efficiency of 38.9% and ...

For me, slow cookers are synonymous with cooler weather, whether you're coming home to a warm soup after work or making a pot of buffalo chicken dip for a holiday potluck. The best slow cookers are ...

Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless asteroids and comets, that are gravitationally bound to the Sun.