Modern glass is made by melting together several minerals at very high temperatures. Silica in the form of sand is the main ingredient and this is combined with soda ash and limestone and melted in a furnace at temperatures of 1700°C. Other materials can be added to produce different colors or properties.

A generator transforms power right into electrical power, while an electric motor does the other - it transforms electrical power right into power. Both tools function due to electromagnetic induction, which is when a voltage is generated by an altering electromagnetic field. I saw a relevant website "Generator Roundup". Where I … Read more