"Galileo's Pendulum" is a blog covering physics, astronomy, math, and related topics - all for a non-specialist audience. I am especially interested in showing how science actually works, and how the various conceptual pieces fit together to make the theoretical framework that provides the best description of the natural world.
Galileo's Pendulum's Latest Posts
Next month, I’ll be joining a diverse group of scientists, teachers, and other outreach specialists in Seattle for GeekGirlCon! We’re the DIY Science Zone, bringing hands-on science activities for all ages, a function we started last year and which is now part of the official program. Many thanks to Raychelle “Dr. Rubidium” Burks for putting […]
From detailed modeling and what we see of modern galaxies, we expect the earliest galaxies to be small and have intense star formation. A new survey using data from the Spitzer space telescope and the Subaru telescope in Hawaii has found a lot of surprisingly massive galaxies at the edge of our ability to observe, […]
Finding our galaxy’s exact place in the vast structure of the Universe is surprisingly hard. We know the Milky Way is part of the Local Group of galaxies (along with Andromeda and a few dozen smaller galaxies), but beyond that it gets complicated. That’s because on one side, we have a huge conglomeration of galaxy […]
A hologram is a way to encode information about a three-dimensional object in two dimensions. Even though it’s flat, if you look at a hologram from different angles, you see different sides of the original object. However, the illusion isn’t complete: even a good hologram isn’t a precise replica of its three-dimensional subject. So when […]
Black holes are gravity at the extreme. As such, many of their properties lie at the edge of our knowledge of physics. At the event horizon — the boundary beyond which nothing can return to the outside Universe — we must grapple with the combination of gravity and quantum physics, a problem we have yet […]
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