Tag Archives: history of science

An anniversary of an experiment that transformed the world

Two hundred years ago, the relationship between magnetism and electricity was not an established fact. It had been known that thunderbolts created certain magnetic effects, but there was no proof that magnetism and electricity were related, until 1820, when Hans … Continue reading

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George Green’s birthday

When one is asked to name prominent English scientists who forged our understanding of electricity and magnetism, the two giants that immediately pop to mind: Michael Faraday (1791– 1867), who established the basis for the concept of the electromagnetic field, … Continue reading

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Another reason to celebrate Albert Einstein’s birthday

“Nature shows us only the tail of the lion. But I do not doubt that the lion belongs to it even though he cannot at once reveal himself because of his enormous size.” Albert Einstein, in a letter, March 1914 … Continue reading

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Unification

“The most cherished goal in physics, as in bad romance novels, is unification. To bring together two things previously understood as different and recognize them as aspects of a single entity – when we can do it – is the … Continue reading

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Benjamin Franklin’s birthday

Benjamin Franklin Drawing Electricity from the Sky, picture by Benjamin West “If all printers were determined not to print anything till they were sure it would offend nobody, there would be very little printed.” Benjamion Franklin, Apology for Printers (1730).

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Gravity – humor, history, and some facts

Hungarian stamp commemorating 100 years of general relativity. Image from philatelicdatabase.com …: “Gravity, where did it come from?” when a four-dimensional pseudo-Riemannian manifold and a Landau–Lifshitz stress-energy tensor love each other very much, they produce a geodesic in curved spacetime. … Continue reading

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Brighter than candles

“You have the glittering beauty of gold and silver, and the still higher lustre of jewels, like the ruby and diamond; but none of these rival the brilliancy and beauty of flame. What diamond can shine like flame?” The man … Continue reading

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