this post was submitted on 16 Jun 2025
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Science Memes

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Hertz, showing the difference between science and engineering (lemmy.world)
submitted 3 days ago by [email protected] to c/[email protected]
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[–] [email protected] 165 points 2 days ago (24 children)

Faraday, after demonstrating how moving a magnet through a coiled wire induced a current in the wire was asked by a visiting statesman what was the use of this.

Faraday responded, "In twenty years, you will be taxing it"

Similarly, at a demonstration of hot air balloons in France, Benjamin Franklin was asked "Of what use is this?"

Franklin replied, "Of what use is a newborn baby?"

[–] [email protected] 22 points 2 days ago (1 children)

Sounds like Faraday understood the... potential.

[–] [email protected] 8 points 2 days ago

Funnily enough, Faraday seemingly also understood that the Electric Field only possesses a potential in the absence of changing magnetic fields. Because only in the absence of changing magnetic fields, the rotation of the Electric Field is zero, and only then it has a potential.

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