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- Magnetic Field in Cosmos A Spacetime Odyssey: Episode 10 Part 12
Magnetic Field in Cosmos A Spacetime Odyssey: Episode 10 Part 12
Explore the life of Michael Faraday, a celebrated scientist who rose from poverty to revolutionize the world with inventions like the electric motor and generator. Despite memory loss and melancholy, Faraday fearlessly delved into mysterious invisible forces. Learn about his remarkable journey in this episode of Cosmos A Spacetime Odyssey.
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Video Transcript
My dear friend, I find it difficult to answer or even acknowledge a scientific letter,
for I cannot now hold it at once in my mind.
The memory of the parts fail me.
P.S. You will be sorry to see the tone of this short note,
but my dearest husband is not quite so well as usual.
But I hope he will improve.
Yours, very truly, S. Faraday.
As a young man, Faraday had risen from poverty in one of the most class-conscious societies
the world has ever known to become the most celebrated scientist of his time.
By age 40, he had invented the electric motor, the transformer, the generator, machines that
would change everything about the home, the farm, the factory.
Now, at 60, decades after the fertile periods of the greatest physicists, plagued by memory
loss.
and melancholy, he fearlessly probed deeper into the mysterious invisible forces.
The world thought that Michael Faraday was a has-been.
Despite his depression, he remained as passionately curious as ever.
Having discovered the unity of electricity, magnetism, and light, Faraday needed to know
how this trinity of natural forces worked together.
This is the way the ladies wore.
This was nothing new.
Children had been playing with magnets and iron filings for centuries.
Everyone had always assumed that this lovely pattern was just something that iron did.
Faraday knew that electric current turns a wire
into a magnet.
So he expected to find related patterns in iron filings
around a wire carrying electricity.
But where others saw merely lovely shapes,
Faraday saw something profound.
The patterns were not simply a quirk of iron filings.
They existed in the space around a magnet or an electric current.
Even in the absence of iron filings,
The patterns were the traces, the footprints of invisible fields of force that reached
out into the space around anything magnetic.
