Foods high in vitamin A include organ meats, sweet potatoes, carrots, eggs, fish, and dairy products. You can also find vitamin A in dietary supplements. Vitamin A plays a role in your vision, bone ...
Abstract: Thermophotonic (TPX) devices are radiative heat engines in which the exchange of electroluminescent (EL) radiation between a heated light-emitting diode (LED) and a cool photovoltaic (PV) ...