Geek stuff

While finishing my dissertation remains my top priority, I also signed up for an amateur radio course being offered by the Toronto Amateur Radio Club. It’s something like ten 2-hour instructional sessions, followed by the federal government exam to get a basic certification and call sign. It should be an interesting way to spend a […]

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Most of the history of astronomy consists of observing electromagnetic radiation from outside our planet. That includes the light which shines off the sun and reflects from bodies in the solar system, as well as radio waves produced by phenomena around the universe including pulsars. Now that we also have neutrino detectors and gravitational wave […]

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I don’t know who had the brainstorm to add Glados-like comments to https://clickclickclick.click/ but it adds brilliantly to the site’s impact and cultivated paranoia. Very cool intersubjective web-based art.

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Among the immortal Simpsons lines (and the triumph of engineers over fighter jocks): “I might remind you both I did design that racer. The driver is essentially ballast.”

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It’s possible to perform orbital maneuvers which would normally require fuel using instead the momentum of sunlight. Via the incomparable Scott Manley: Lightsail 2 Sails On Sunlight At Last

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I have long been skeptical about the prospects for off-world human colonies. Given that the International Space Station is the most expensive thing we have ever built and it is entirely reliant on supplies from Earth, it would be a gigantic leap just to make a self-sustaining closed life support system. Beyond that are many […]

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A worldwide effort by the Event Horizon Telescope has produced the first false-colour image of a black hole.

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Watching the Jeremy Brett adaptation of the Sherlock Holmes story “The Golden Pince Nez” left me wondering about some of the specific changes made between the story and the ITV Granada TV series, specifically the role of Holmes’ brother Mycroft. An idle Google search about the substitution of snuff for tobacco ash in the story […]

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