Tag Archives: Physics

What is “quantum teleportation”?

Out of all the concepts that have appeared in science fiction, one of the most ‘science fiction-y’ of them all is the idea of teleportation — near instantaneous movement from one location to another, such as the transporters in Star … Continue reading

Posted in Optics, Physics, quantum | Tagged , , | 2 Comments

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

Posted in History of science, Physics | Tagged , , | 1 Comment

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

Posted in Animals, Physics | Tagged , , | 3 Comments

What is an optical caustic?

Here’s another post based on the revisions I’m making for the second edition of my Singular Optics textbook! Caustics are a subject that I’ve sort of casually understood for ages but never well enough to explain it, but book work … Continue reading

Posted in Mathematics, Optics | Tagged , , | 7 Comments

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

Posted in Invisibility, Personal | Tagged , , | 2 Comments

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

Posted in History of science, Physics | Tagged , , , | 2 Comments