Category Archives: Physics

Coulomb’s remarkable experiment in electricity (1785)

Though people have studied and been fascinated by electricity and magnetism, including such luminaries as Benjamin Franklin, we can really trace the beginning of modern electromagnetic theory to one specific experiment in 1785, in which the French physicist Charles-Augustin de … Continue reading

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Talking falling feline physics in the NYT!

It so happens that the falling felines research that came out recently, and that I blogged about last week, has been getting a lot of news attention! A journalist at the New York Times contacted me for comments about the … Continue reading

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New falling cat paper just dropped!

So I’m now known as the falling cat physics guy, thanks to writing a popular science book on the history of scientists studying how cats land on their feet (“cat turning”) that you may or may not have heard of! … Continue reading

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Our new paper on invisibility physics!

So I’ve written a lot about the physics of invisibility on this blog and have even written a popular science book on the subject, but many people may not know that I also still occasionally do some research on invisibility … Continue reading

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1975: The year that quantum mechanics met gravity (from the archives)

Another post from the archives while I work on new stuff!

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Ruby Payne-Scott and the mystery of sunspots

Another reblog from my large history of science archive, just for fun!

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Optics, rain and car headlights!

Thought I’d start reblogging some of my old physics posts that I enjoy, so here’s one from 2022 on why you always think your headlights are off when it’s raining at night!

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The most beautiful wrong equation in history (1841)

One of the topics of the history of science that has continued to fascinate me is the discovery of the principle of conservation of energy. As I discussed in my three-part series “Booms, Blood, and Beer” (part 1, part 2, … Continue reading

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What is a Carnot engine?

I’ve recently been trying to “relearn” thermodynamics, a subject that I haven’t really looked at, or had to look at, for years. I put “relearn” in quotes because I never really learned it well in the first place! One of … Continue reading

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Maxwell invents a demon, people get angry (1879)

Some time ago, I was browsing 150 year old popular science magazines as one does and I found an amusing editorial from 1879 in The Popular Science Monthly titled “Explanations that do not explain.” The unsigned editorial discussed a recent … Continue reading

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