How Do Trains Work?
How Do Trains Work? Long before automobiles took to the roads and airplanes flew into the skies, people rode horses to get from one place to another quickly. Horses...
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Why Does Lightning Always Strike the Highest Object Around?
Why Does Lightning Always Strike the Highest Object Around? Lightning is usually attracted to tall structures. Lightning is an electric spark that tries to bridge the...
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Why Do Light Bulbs Have Glass Bulbs?
Why Do Light Bulbs Have Glass Bulbs? The glass bulb protects the light’s filament. Inside a light bulb, electricity passes through a thin wire called a filament....
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Who Invented the Solar Battery?
Who Invented the Solar Battery? Gerald Pearson, Calvin Fuller and Daryl Chapin invented the first solar battery which converted the Sun’s energy to electricity in 1954....
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How Was Electricity Discovered?
How Was Electricity Discovered? Scientists have found evidence that ancient peoples may have experimented with electricity, too. In 1936, a clay pot was discovered that...
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