Some Cool Facts about Electricity
Read some facts about electricity.
- A spark of static electricity which you often experience while touching some objects on less humid atmosphere, can measure up to three thousand (3,000) volts.
- Electricity always tries to find the easiest path to the ground.
- The first electric battery was developed by Alessandro Volta about 200 years ago. He discovered that when two strips of different metals were put in a sulphuric acid solution and connected with a wire, electricity began to flow.
- The first windmill to produce electricity was in Denmark in 1890.
- Do you know how the light sticks glow without electricity? The light stick has a seal which breaks when you bend the stick or shake it. This broken seal makes two chemicals in the stick mix. As they mix, energy is released and this energy produces light.
- Lightning is a discharge of electricity in the atmosphere. Lightning bolts can travel at around 210,000 kph (130,000 mph), while reaching nearly 30,000 °C (54,000 °F) in temperature.
- Do you know how ECG (Electrocardiogram) machines work? It measures the electricity going through someone’s heart, when the person is healthy it usually shows a line moving across a screen with regular spikes as the heart beats.
- Nikola Tesla developed the modern alternating current (AC) electrical supply system.
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