Category Archives: Physics

Physics demonstrations: Oculus Mundi

So, for some reason, my ten year old video on the Barkhausen effect went viral on YouTube the past few weeks, and brought me quite a few new followers there. I thought I’d do a short video to say “thanks … Continue reading

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“Invisibility” has a cover and a release date!

Of course, my publisher never tells me these things, but the cover for my next popular science book, on the history and physics of invisibility, has been made public and the book has a release date! It was a challenge … Continue reading

Posted in History of science, Invisibility, Personal | 1 Comment

Jupiter and its moons

This past Monday turned out to be a rather rare event for skywatchers: the planet Jupiter’s closest point of approach to the Earth since 1963! This was the coincidence of two situations. The first is the planet being in opposition … Continue reading

Posted in Physics, Science news | 2 Comments

Rough photos of lunar eclipse 2022

Today, May 16, is the 2022 International Day of Light, designated by UNESCO to recognize the role of light in science, art, and education. You can read more also at the optical society Optica’s webpage. I’m out of town for … Continue reading

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The Handyman, by Lester Barclay

Let’s tackle another invisibility story! This one is a little different, in that it is a story about an imaginary invisible friend! “The Handyman,” by Lester Barclay, appeared in the October 1950 issue of Fantastic Adventures. It is short and … Continue reading

Posted in Invisibility, Weird fiction | 1 Comment

Priestess of the Moon, by Ray Cummings

More invisibility? Okay, sure, why not. I may be cursed to blog about invisibility in fiction for the rest of my life. While preparing a post about McGivern’s “The Visible Invisible Man,” I suddenly realized that there is another story … Continue reading

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The Visible Invisible Man, by William P. McGivern

Here’s another invisibility story — again, my book on the history and physics of invisibility will be out next year! The last we saw of William P. McGivern was his story “The Chameleon Man,” published in January of 1942. But … Continue reading

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Cloak of Aesir, by Don A. Stuart

This is the last of my daily run of blog posts for now, marking the 30th post in a row! Most of them have been on invisibility in fiction, and we wrap with a fascinating example. I’ve still got more … Continue reading

Posted in Invisibility, Science fiction | 8 Comments

Ghost Planet, by Thorne Lee

The penultimate post on invisibility in fiction in my attempt to blog 30 days in a row! I’ve got more stories to blog after that, but this will probably be the end of my continuous run. So we’ve technically already … Continue reading

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The People of the Pit, by A. Merritt

Getting close to the end of my run of invisibility in fiction posts! Hope you’ve been enjoying them! Here we take a quick look at a story by one of my favorite weird fiction authors: Abraham Merritt, who went by … Continue reading

Posted in Horror, Invisibility, Lovecraft | 3 Comments