help amateur astronomers who build their own CCD camera.
http://www.wvi.com/~rberry/cookbook/cookbook.htm
Deals with effectively machine-checked formal mathematics. In practice, this includes the study of mathematical formalisms well-suited for implementations, the implementations themselves and the use of these for various applications. Focuses on software correctness proofs.
http://pauillac.inria.fr/coq/
http://www.robotics.com/motors.html
The Pack integrates more than 50 Mathematica packages and more than 1000 functions in economics, statistics, econometrics and system enhancement. It provides a working environment that is basic but very useful.
http://www.dataweb.nl/~cool/TheEconomicsPack/index.html
The receiver is a dual dual-conversion, dual dual-image superhet receiver that covers the 40, 30, 20 and 17 meter amateur radio bands. With minor modifications, the 41, 31, 19, and 16 meter SWL bands can be received.
http://www.pan-tex.net/usr/r/receivers/index.htm
Sound Impairment Monitor
http://www.sound.au.com/project57.htm
http://www.mrs.bt.co.uk/dubus/8403-5.pdf
http://www.mrs.bt.co.uk/dubus/9002-3.pdf
Simulates an RWI circular, sonar-guided robot in a flat 2D world. Includes a physical simulator, sonar, and laser rangefinder simulators. The simulated robot has internal odometry, one or two laser rangefinders, and 12 sonar sensors. You can design your own 2D floor plan. No source available.
http://www.cs.utexas.edu/users/qr/robotics/flat/
Synopsis of first vinyl recording cutter and cartridge for playback.
http://www.badenhausen.com/VSR_History.htm