Dog Brains and Fishing Line: 2 Fun Articles
Nothing about quantum physics today, but … wait, everything is made using quantum physics… — Could you imagine getting a dog to sit absolutely still, while fully awake and listening to voices, for as...
View ArticleThe Amazing Feat of Quantum Tunneling
Our quantum world has many odd and counter-intuitive features. One of these is “tunneling” — the ability of objects to pass through walls, escape from traps, and slip under mountains into the next...
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Did BICEP2 Detect Gravitational Waves Directly or Indirectly?
A few weeks ago there was (justified) hullabaloo following the release of results from the BICEP2 experiment, which (if correct as an experiment, and if correctly interpreted) may indicate the...
View ArticlePhysics is Broken!!!
Last Thursday, an experiment reported that the magnetic properties of the muon, the electron’s middleweight cousin, are a tiny bit different from what particle physics equations say they should be....
View ArticleDimensional Analysis: A Secret Weapon in Physics
It’s not widely appreciated how often physicists can guess the answer to a problem before they even start calculating. By combining a basic consistency requirement with scientific reasoning, they can...
View ArticleE = m c-Squared: The Simple Dimensions of a Discovery
In my last post I introduced you to dimensional analysis, an essential trick for theoretical physicists, and showed you how you could address and sometimes solve interesting and important problems...
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Relatively Confused: Is It True That Nothing Can Exceed Light Speed?
A post for general readers: Einstein’s relativity. Everybody’s heard of it, many have read about it, a few have learned some of it. Journalists love to write about it. It’s part of our culture; it’s...
View ArticleDismantling Common Sense, Twice
In my last post I raised a question about the pros and cons of common sense. I left it as a wide-open question, as I was curious to see how readers would react. Many aspects of common sense affect how...
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How To Make A Standing Wave Without Edges
I recently pointed out that there are unfamiliar types of standing waves that violate the rules of the standing waves that we most often encounter in life (typically through musical instruments, or...
View ArticleAnswers to Two Cosmic Questions From A Reader
Recently a reader, having read my post about why the speed of light seems so fast, sent me two questions that highlight important cosmic issues. Is there in fact anything within physics as it’s...
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