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Category Archives: Uncategorized
Merry christmas from an alternate universe
Michael Tobis, originally by Gareth Renowden. On the uncovered fraud in NZ temperatuers, as is obvious in the graph below.. In blogging news, installed akismet so hopefully new comments will stand out from all the spam… I’ve had very little … Continue reading
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Camera Systems
Back when digital cameras started appearing around the turn of the millennium, it pretty quickly turned out that just making a digital version of an 35 mm SLR camera was not a very efficient move. The image quality with full … Continue reading
Posted in Design, industry, Motivation, Uncategorized
Tagged four thirds, gf, micro four thirds, nex, olympus, panasonic, pen, sony
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The Future
is now. At least if you’re an astronaut. Thanks to Wayne Hale for the image.
Running in lunar gravity
You can simulate lunar gravity quite easily on Earth – just suspend a man from his center of gravity and put him on a very inclined plane. Hilarity will ensue. Sigh, embedding broke again for no reason…. I never expected … Continue reading
Even more on Skylon
They stop airbreathing at 2 km/s. Let’s compare this to staging. Assuming an upper stage of the weight of Skylon at that point (230 t), what kind of a rocket would be required for that? With a hunch of 3000 … Continue reading
Why precool but not liquify – Skylon and SABRE
Well, I thought maybe I could add some content. Everybody’s heard about the British Hotol follower Skylon and its airbreathing SABRE engines. What’s special about them? My understandin’s based on this excellent document from Reaction Engines explaining why the system … Continue reading
Posted in airplane, Architecture, Design, Energy, engines, ESA, industry, Launchers, RLV:s, Suborbital, Transportation, Uncategorized
Tagged Airbreathing, Heat Exchanger, Hotol, Hydrogen, LACE, Precooler, RB545, sabre, skylon
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Testing, Testing
The previous video blog post about Technical difficulties might have contained a forewarning… Anyway, testing some theme things with wordpress on my own domain now. Bike Lights (With Annoying Music!)
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Music: Racer X – Technical Difficulties
http://www.youtube.com/watch?v=ES1RypBww_g Paul Gilbert’s made a nice song here and plays it well. The production might be better, but I like the melodies and the joyfulness.
Can I have Linux with that?
Apple’s Iphone, the various Google Android phones by Samsung, HTC and probably others, and Nokia’s Symbian phones are fighting on the smart phone market. As far as I know, Iphone is “closed” and you can only download those apps that … Continue reading