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Who created the term electricity and when?
The term "electricity" was first coined by William Gilbert in the late 16th century. Gilbert was an English physician, physicist, and natural philosopher who is considered a pioneer in the study of electricity and magnetism.
How long has solar energy existed?
Solar energy has technically existed for billions of years, as it originates from the sun's nuclear fusion. However, the practical use of solar energy through solar panels and other technologies began in the late 19th century.
What kind of energy powers your light and appliances?
Electricity powers our lights and appliances. This electricity is typically generated from various sources such as coal, natural gas, nuclear, hydropower, wind, and solar energy.
Can tap water conduct electricity?
Yes, tap water can conduct electricity due to the presence of dissolved ions like sodium and chloride. However, pure water does not conduct electricity because it lacks these ions. It's always important to be cautious when dealing with electricity and water to prevent accidents.
For what percentage of time has life existed on Earth?
Life has existed on Earth for approximately 3.5 billion years, which accounts for around 75% of the total time that the planet has existed (about 4.6 billion years).
