Amazing fact about the invention of the lighter
The cigarette lighter was invented before the match.
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- What was the first smartphone?
“The IBM Simon, released in 1994, is considered the first smartphone.”
Reference: Smithsonian Magazine
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How does a smartphone compass work?
Smartphones have a tiny sensor called a magnetometer that measures Earth's magnetic field to work as a digital compass.
Necessity is the mother of Invention, but chocolate can work too.
The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.