Over a year ago there was an article in Make magazine by Charles Platt inspired by a YouTube video of a propeller-driven cart that allegedly could go down wind faster than the wind that was pushing it…. Everyone’s first instinct is to think “free energy”, or “perpetual motion machine”. I was convinced that this was […]
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Reference
- 90″ telescope with a lot of documentation
- A selection of camera information, including some exploded views
- BAT(ch) file reference
- Decent list of refractive indices of some materials
- Discover circuits!
- Free books from Caltech
- Good notes on solid mechanics
- Hands-on optics tutorials
- How to write real-time audio processing software in Windows
- List of camera mount specifications and registers (flange-to-film distance)
- Mike Butkus’s camera manual repository
- Notes on covariant derivatives
- Pictorial history of Nikon 35mm cameras
- Pictorial history of the Hasselblad system
- Pictorial history of the Rolleiflex TLR cameras
- Quick Airy disc calculator
- Sam’s Strobe FAQ
- Stepper motor types
- Symbolic links in Windows
- Trigger a 500 ELM electronically
- Vivid explanations of microscope optics
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