Category Archives: Physics

Drones: now invisible, in a weird way!

Thanks to my friend Darlene for pointing me to this article! I’ve talked a lot about invisibility on this blog and have written papers on invisibility physics and even written a book on the history of invisibility physics, but still … Continue reading

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Musings about the “many worlds” quantum hypothesis

Though my work is primarily in classical wave optics, I maintain an avid interest in quantum physics (see my posts here and here for example) and especially all the weird implications of it, including the various attempts to make the … Continue reading

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What is an “optical skyrmion?”

Preparing to write the final section for the second edition of my Singular Optics textbook that happens to be on, you guessed it, optical skyrmions! I thought I would try writing a non-technical explanation first to straighten out all the … Continue reading

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Cork balls, Edwardian magazines, and optical physics

Okay, let’s look at a really cute physics demonstration that I found in a really unusual place and which has unexpected connections to optical physics! The demonstration in question is set up as follows: attach a string to a 1 … Continue reading

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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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