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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
“On matter as a form of energy” (written in 1881)
It is unarguably the most famous scientific equation of all time: . This equation, developed in the early 1900s by Albert Einstein as a consequence of his special theory of relativity, implies that energy and mass are equivalent and interchangeable, … Continue reading
Posted in History of science, Physics
4 Comments
Faster than a speeding photon? Precursors test whether light can be faster than light
Over the past two weeks, the biggest physics news has been the apparent observation of neutrinos (nearly undetectable subatomic particles) moving faster than the vacuum speed of light. At first glance, this would seem to violate Einstein’s special theory of … Continue reading
Posted in Optics, Physics, Relativity
15 Comments
Ancient swords, modern nanotechnology
Though science and technology in the modern era have accomplished things that our ancestors couldn’t even dream of, it is still worth remembering that the ancients weren’t dummies. Through a combination of ingenuity, observation, determination, and probably a lot of … Continue reading
Posted in General science, Physics
14 Comments
“FOX fails physics: flaunts fool fumbling facts” on JAYFK!
I don’t do much political blogging anymore, but every now and again something incredibly stupid — and science related — really sticks in my craw and I feel compelled to rant about it. In this case, FOX News interviewed a … Continue reading
Posted in ... the Hell?, Physics
4 Comments
Isaac Newton… Father of invisibility physics?
My blog has been a good impetus to research a number of interesting scientific topics more deeply than I would otherwise have had the ambition to do. For instance, since the blog’s inception, I’ve been pushing the origins of “invisibility physics” … Continue reading
Posted in Horror, Invisibility, Science fiction
2 Comments
Paris: City of Light and Cosmic Rays on Scientific American guest blog!
If you’ve been waiting for another in-depth blog post from me on physics and the history of science, wait no longer — just don’t look for it here! I’ve written a post for the Scientific American Guest Blog that went … Continue reading
Posted in History of science, Physics
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“Visions of invisibility in fiction” in Optics & Photonics News!
I’m very excited — this morning my first popular science article written for a magazine appeared online! “Visions of invisibility in fiction” appears in the July/August issue of Optics & Photonics News, the news magazine of the Optical Society of … Continue reading
Posted in Invisibility, Optics, Personal
8 Comments
Mpemba’s baffling discovery: can hot water freeze before cold? (1969)
“My name is Erasto B Mpemba, and I am going to tell you about my discovery, which was due to misusing a refrigerator.” With those words, Tanzanian student Erasto Mpemba entered scientific history, and also sparked a scientific mystery and … Continue reading
Posted in Physics
164 Comments
Water has properties that are positively electrifying!
Most people certainly understand how important water is for our survival, but we often overlook how weird it can be. I can compile a short, though not exhaustive, list off the top of my head: Water is less dense in … Continue reading
Posted in Physics
49 Comments
It’s not shrinkage — it’s relativity! (1889)
The best stories in the history of physics are those in which someone comes from humble origins and, seemingly out of nowhere, makes a brilliant discovery that changes everything. Such stories, however, can give a very misleading impression of the … Continue reading
Posted in History of science, Physics, Relativity
17 Comments
Skulls in the Stars 