HEATKEYS

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Beige Bag Software has been providing affordable and innovative circuit design tools since 1990. B2 Spice provides schematics as well as analog, digital and mixed mode electronic circuit simulation. Integrates with EAGLE and CADSTAR PCB software.

Animated illustrations show the innerworkings of a variety of Steam, Stirling, and Internal Combustion engines.

PCCL | INTERACTIVE PHYSICS | HOME | Physics and Chemistry by a Clear Learning : free online learning for sciences | Educational support in interactive flash animations in the physical sciences and chemistry in High School, Midle School, Upper School,...

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design and manufacturing of quality Control Systems.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Robot schematics, books, and circuits for mini-sumo, line-following, BEAM, and electronic projects. DIY instructions on making robots at home. Basic help and tips on how to build robotic sensors. Homemade autonomous bots for a hobby! By David Cook.

E-Learning Heroes: Step-by-step tutorials for building better courses, fast answers to your e-learning questions, free downloads for your e-learning projects.

EveryCircuit is your friend whether you study circuit theory or design circuit boards. Build a circuit, click play, and enjoy circuit schematic animated with real-time simulation results.