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Julian Hardy
319 followers -
Interested in all sorts of geeky stuff!
Interested in all sorts of geeky stuff!

319 followers
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Some great bargains on downloadable astronomy books - and you're helping out charity while you're at it!
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So I discovered a Wolf-Rayet star!
OK, I should admit right from the start that while I feel as though I have “discovered” a Wolf-Rayet star, it turns out to be very well-known to science, so I don’t think there is any chance that I will be invited to give it a name, less yet have it named a...
So I discovered a Wolf-Rayet star!
So I discovered a Wolf-Rayet star!
julianh72.blogspot.com.au
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Methane in Neptune's Atmosphere - from my Backyard!
I am capturing stellar spectra using a 200 mm Meade LX-90 telescope with 0.63 Focal Reducer (Effective Focal Ratio f/6.3), QHY5 mono camera, and a Star Analyser SA100 grating. The camera is mounted on a  “flip mirror” diagonal, which allows the telescope to...
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Yes, people really do 3D CAD on Mobile devices!
I've been using OnShape https://www.onshape.com/  as my primary 3D modelling package for some time now - both for designing parts for my hobby 3D printing and laser cutting, and also for general work (engineering) applications. You can check out my early qu...
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Some reasonable planetary images with my ZWO ASI120MC camera
While seeing wasn't great from my home in inner-western Brisbane last night (13 April), it was nice and dark and clear, so I set up my Meade 200 mm LX90 (GoTo Alt-Az mount) with ZWO ASI120MC (one-shot colour camera) http://julianh72.blogspot.com.au/2014/09/...
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Use your phone / tablet as a 3D printer?!
This 3D Printer concept uses your smartphone or tablet as the light source to cure photo-resins. Virtually silent, runs off 4 x AA batteries. And the best bit? It's only $99 for the printer (build volume: 76 mm x 128 mm x 52 mm; vertical build rate of about...
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This is clever - a 3D-printed digital sundial!
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Netflix Socks - automatically pause your binge-watching if you fall asleep!
So the Paris Climate Conference went well, and we have apparently solved the problem of global warming - what's the next major problem humanity should tackle? Well, it's obvious really: You're binge-watching your favourite TV series on Netflix, you fall asl...
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Survey results: "Color Vision and the Efficacy of EnChroma Glasses"
Blake Porter has published the results of his on-line survey http://www.blakeporterneuro.com/color-vision-efficacy-enchroma-glasses/  into the efficacy of EnChroma sunglasses as an aid for compensating for colour blindness. He previously published a fantast...
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This is a great follow-up to Blake Porter's earlier piece entitled "What is color? Enchroma glasses, neuroscience, and the mystery of color" http://www.blakeporterneuro.com/enchroma-neuroscience-color/
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