Diagnose a broken engine with a virtual multimeter and wiring diagrams, the way trainee mechanics do. Scored against the clock.
Short how-to videos for almost any car's basics, from fuses to wipers to oil, filmed on the actual model you drive.
An interactive 3D car you can take apart: engine, gearbox, brakes and suspension, each explained in plain English as it moves.
Pick a camera, lens, aperture and distance and watch the depth of field and background blur change on a sample photo.
A virtual chemistry lab in 3D: pick up glassware, mix reagents and watch the reactions happen without breaking anything.
Build Arduino circuits on a 3D breadboard in the browser, wire up displays and LEDs, and run real code against them.
Hundreds of maths problems you can only solve with code, where the brute-force answer takes a week and the clever one takes a second.
