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The author of Skulls in the Stars is a professor of physics, specializing in optical science, at UNC Charlotte. The blog covers topics in physics and optics, the history of science, classic pulp fantasy and horror fiction, and the surprising intersections between these areas. -
Category Archives: Physics
Michael Faraday meets “The Ghost”
My most recent blog post, concerning the history of the Pepper-Dircks Ghost, was extremely long but didn’t even include all the fascinating aspects of its history. For instance: the ghost was such an incredibly effective illusion that it even drew … Continue reading
Posted in History of science, Optics, Physics
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Cat-turning in the Washington Post!
Those who have followed this blog for a while know that I have a fascination with the physics and history of “cat-turning,” the ability of a cat to turn over and land on its feet even when it falls with … Continue reading
Posted in Animals, Personal, Physics
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How much does a photon weigh?
A couple of weeks ago, after a glass of wine, I did a twitter “ask me anything” about optics and light which resulted in the question that is the title of this post. I took a rough twitter stab at it … Continue reading
Posted in Physics, Relativity
24 Comments
The Hunt for Vulcan, by Thomas Levenson
Some of the most interesting stories in the history of science are those where investigations take a wrong turn. Scientific progress is filled with red herrings, failed assumptions, and wild guesses that rarely make it into the science textbooks. When … Continue reading
Posted in History of science, Physics
2 Comments
Light, by Kimberly Arcand and Megan Watzke
I have a lot of catching up to do in terms of popular science books, so I’ve recently been doing an intense amount of reading. A lot of my focus has been on reading books by people I’m acquainted with … Continue reading
Breaking the Chains of Gravity, by Amy Shira Teitel
Over the past few years, we’ve been treated to a stunning array of achievements in space exploration, such as the Juno Mission (inserted into orbit around Jupiter on July 4, 2016), New Horizons (passed Pluto on July 14, 2015), and Rosetta (landed … Continue reading
Posted in History of science, Physics
3 Comments
Optics by hot air balloon?
The first in a (hopefully) series of posts inspired by topics covered in my upcoming textbook on singular optics. Crewed balloon rides have a surprisingly large role in the history of science. The first untethered balloon flight was performed in Paris on November … Continue reading
Posted in Optics, Physics
2 Comments
Physics demonstrations: the Mirascope
I recently participated again in the annual UNCC Science and Technology Expo, showing off neat science demos to the public. This year, I decided to add a table of “Optics and Illusions,” to show how science and our own brains can … Continue reading
Posted in Optics, Physics demos
4 Comments
1975: Neutrons go right round, baby, right round
Some time ago, I wrote about a fascinating 1975 experiment in which the relationship between quantum mechanics and gravity was tested. The experiment was made possible by the new — at the time — technique of neutron interferometry, in which the wave … Continue reading
Posted in History of science, Physics
11 Comments
Beautiful equations of math and physics: my picks
A few days ago, the BBC introduced a series of posts in which they asked mathematicians and physicists to share their favorite equations. It’s a fun list, and the original post can be found here. One of the equations selected … Continue reading
Posted in Mathematics, Physics
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