oPhysics is a collection of interactive physics simulations created by retired physics teacher Tom Walsh. Most animations and simulations were made with GeoGebra software. The site states it is a work in progress and content is added as time allows. Material may be used for non-profit educational purposes.
CEMC Courseware is a free online collection of mathematics and computer science materials from the University of Waterloo's CEMC. It offers lessons, interactive activities, enrichment challenges and practice with immediate feedback, covering Grades 4 to 12. No registration is required. The page states that no certificate or credential is awarded and that personal progress cannot be tracked.
ScienceGeek.net is the website of Andy Allan, a retired science teacher in Visalia, California. It provides resources supporting high school science courses, including chemistry, AP Chemistry, and biology, such as notes, worksheets, labs, PowerPoints, and interactive review activities.
The Pinouts Book is a free digital book for designers and engineers, serving as a quick reference for pinout functions in electronics projects. It covers 200 commonly used components, including connectors, single board computers, dev boards, memory cards and microcontroller chips. Pages link to official datasheets and specifications, and the latest version is reformatted for A4 printers.
BOINC Central is a volunteer computing service operated by the U.C. Berkeley BOINC project. It lets scientists in multiple areas access volunteer computing power without creating their own BOINC project. It currently supports any application packaged with Docker, and provides computing to independent researchers as well as those from academic institutions. Computer owners donate computing power to support computational research in multiple areas.
The Borr Project offers a pre-college mathematics curriculum built from online materials, covering topics such as calculus, discrete mathematics, linear algebra and probability. Courses are chosen to match the 2015 CUPM Guide and be open for enrollment. The curriculum can be completed in about two years with roughly 18-22 hours per week, and students may work alone or in groups.
Red Blob Games publishes interactive visual explanations of math and algorithms, using examples from computer games and other projects. Topics include pathfinding, map generation from noise, hexagonal grids, Voronoi diagrams, graph theory and 2D visibility. Articles are free, with no signup and no ads, aimed mainly at independent, student and hobbyist software developers. The site also hosts demos such as map generators.
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CEMC Courseware is a free online collection of mathematics and computer science materials from the University of Waterloo's CEMC. It offers lessons, interactive activities, enrichment challenges and practice with immediate feedback, covering Grades 4 to 12. No registration is required. The page states that no certificate or credential is awarded and that personal progress cannot be tracked.
ScienceGeek.net is the website of Andy Allan, a retired science teacher in Visalia, California. It provides resources supporting high school science courses, including chemistry, AP Chemistry, and biology, such as notes, worksheets, labs, PowerPoints, and interactive review activities.
The Pinouts Book is a free digital book for designers and engineers, serving as a quick reference for pinout functions in electronics projects. It covers 200 commonly used components, including connectors, single board computers, dev boards, memory cards and microcontroller chips. Pages link to official datasheets and specifications, and the latest version is reformatted for A4 printers.
BOINC Central is a volunteer computing service operated by the U.C. Berkeley BOINC project. It lets scientists in multiple areas access volunteer computing power without creating their own BOINC project. It currently supports any application packaged with Docker, and provides computing to independent researchers as well as those from academic institutions. Computer owners donate computing power to support computational research in multiple areas.
The Borr Project offers a pre-college mathematics curriculum built from online materials, covering topics such as calculus, discrete mathematics, linear algebra and probability. Courses are chosen to match the 2015 CUPM Guide and be open for enrollment. The curriculum can be completed in about two years with roughly 18-22 hours per week, and students may work alone or in groups.
Red Blob Games publishes interactive visual explanations of math and algorithms, using examples from computer games and other projects. Topics include pathfinding, map generation from noise, hexagonal grids, Voronoi diagrams, graph theory and 2D visibility. Articles are free, with no signup and no ads, aimed mainly at independent, student and hobbyist software developers. The site also hosts demos such as map generators.
