Solar power

Solar power is the conversion of sunlight into electricity, either directly using photovoltaics (PV), or indirectly using concentrated solar power (CSP). Concentrated solar power systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. Photovoltaic cells convert light into an electric current using the photovoltaic effect. … Read more

Division sign

A division sign is a symbol that is used to indicate division in mathematical equations. The most common form of division sign is the forward slash (/), but there are also other forms such as the division symbol (➗) and the obelus (÷). How do you type a division sign? The division sign (÷) is … Read more