Airfoil Tools provides tools to search, compare and plot airfoils. It includes an airfoil search with filtering by thickness and camber, a plotter, shape comparison, NACA 4 and 5 digit generators, and a Reynolds number calculator. Users can add their own airfoils, but these are stored only in the browser session.
LunchBox Sessions is an industrial training library focused on hydraulic and electrical troubleshooting. It offers lessons, 3D videos, quizzes, puzzles and interactive Live Schematic simulations covering basics, schematic reading, components and measurements. A Standard Membership costs $29/month or $249/year and includes unlimited access to all materials. An Instructor Membership is required to show materials to other people.
MolView is a chemistry web tool for sketching and viewing small molecules, with live 3D synchronization while sketching and multiple structures side by side. It includes Lewis structures, reaction diagrams, spectroscopy data, crystallography loading, protein viewing and calculations such as MEP surfaces and energy minimization. A new version has been developed since 2024, while an older app remains available.
ACS Stop the Bleed offers training courses on controlling life-threatening bleeding. The course covers recognizing bleeding and three techniques: direct pressure, wound packing and tourniquet application. Online and virtual options are available, and instructors teach in person with training materials.
The Merck Index Online is a reference source on chemicals, drugs and biologicals, containing over 12,000 monographs. It has been updated by the Royal Society of Chemistry since 2013 and is continuously expanded with expert-curated content highlighting relevant literature and patents.
A University of Maryland lecturer's page linking to notes and resources for mathematics and computer science courses, including calculus, differential equations, linear algebra, abstract algebra, number theory, and algorithms. It also offers standalone class notes applicable to multiple courses.
My Balsa & Glass Workshop is a personal site describing RC Balsa model aircraft building, stained glass artistry, and 3D modeling and printing. It includes scratch-built balsa RC model build descriptions, photo galleries, and links to plans and modeling resources. The builder states 37 years of RC model experience.
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LunchBox Sessions is an industrial training library focused on hydraulic and electrical troubleshooting. It offers lessons, 3D videos, quizzes, puzzles and interactive Live Schematic simulations covering basics, schematic reading, components and measurements. A Standard Membership costs $29/month or $249/year and includes unlimited access to all materials. An Instructor Membership is required to show materials to other people.
MolView is a chemistry web tool for sketching and viewing small molecules, with live 3D synchronization while sketching and multiple structures side by side. It includes Lewis structures, reaction diagrams, spectroscopy data, crystallography loading, protein viewing and calculations such as MEP surfaces and energy minimization. A new version has been developed since 2024, while an older app remains available.
ACS Stop the Bleed offers training courses on controlling life-threatening bleeding. The course covers recognizing bleeding and three techniques: direct pressure, wound packing and tourniquet application. Online and virtual options are available, and instructors teach in person with training materials.
The Merck Index Online is a reference source on chemicals, drugs and biologicals, containing over 12,000 monographs. It has been updated by the Royal Society of Chemistry since 2013 and is continuously expanded with expert-curated content highlighting relevant literature and patents.
A University of Maryland lecturer's page linking to notes and resources for mathematics and computer science courses, including calculus, differential equations, linear algebra, abstract algebra, number theory, and algorithms. It also offers standalone class notes applicable to multiple courses.
My Balsa & Glass Workshop is a personal site describing RC Balsa model aircraft building, stained glass artistry, and 3D modeling and printing. It includes scratch-built balsa RC model build descriptions, photo galleries, and links to plans and modeling resources. The builder states 37 years of RC model experience.
