The Importance of Traffic Lights
When people think about traffic lights, there is always the association with a 3-lamp light that has green at the bottom, yellow in the middle and red at the top. However, public transport generally...
Category: Energy
Alternative Sources of Energy
The search for alternative sources of energy is a worldwide effort. There are various scientists, government bodies and universities around the world all trying to find ways of replacing conventional fossil fuels with the...
Benefits of Using Solar Energy Systems
Solar energy comes from the radiation of the sun. Just an hour of the sun’s energy could meet the earth’s energy needs for a whole year. So, what are pros of using solar energy?...
