Electronics Pioneers & History
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 Hans Christian Ørsted (1777-1851) was a Danish physicist and chemist who made
significant contributions to the understanding of electromagnetism. He is most famous
for discovering the relationship between electricity and magnetism, which is now
known as Ørsted's law. Ørsted was born in Rudkøbing, Denmark, and received his education
at the University of Copenhagen, where he later became a professor of physics. Throughout
his life, he conducted experiments and research on a variety of scientific topics,
including electricity, magnetism, and chemical reactions.
In 1820, Ørsted made a
groundbreaking discovery that would change the course of physics forever. While
conducting a series of experiments with electricity and magnetism, he noticed that
an electric current flowing through a wire caused a nearby compass needle to deflect.
This was the first experimental evidence of a relationship between electricity and
magnetism, and it provided the foundation for the development of electromagnetism
as a branch of physics. Ørsted's discovery was a crucial step in the development
of electromagnetism, and it paved the way for future scientists such as Michael
Faraday and James Clerk Maxwell to build upon his work and develop a more complete
understanding of the behavior of electric and magnetic fields.
In addition to his
scientific contributions, Ørsted was also a deeply philosophical and humanitarian
individual who believed in the importance of using science for the betterment of
humanity. He was a strong advocate for education and scientific literacy, and he
worked to promote these ideals throughout his life. Hans Christian Ørsted's legacy
lives on through his scientific discoveries and his commitment to using science
to improve the world. Today, he is remembered as one of the founding fathers of
electromagnetism and a pioneer of modern physics.
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AI Technical Trustability Update
While working on an
update to my
RF Cafe Espresso Engineering Workbook project to add a couple calculators
about FM sidebands (available soon). The good news is that AI provided excellent
VBA code to generate a set of
Bessel function plots. The bad news is when I asked for a
table
showing at which modulation indices sidebands 0 (carrier) through 5 vanish,
none of the agents got it right. Some were really bad. The AI agents typically
explain their reason and method correctly, then go on to produces bad results.
Even after pointing out errors, subsequent results are still wrong. I do a
lot of AI work and see this often, even with subscribing to professional
versions. I ultimately generated the table myself. There is going to be a
lot of inaccurate information out there based on unverified AI queries, so
beware.
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