The app demonstrates gravitational forces and orbital mechanics. Users can push a mass to create a stable orbit around a central gravitational well, with options for drag and device tilt control.
by Daniel Roth★ 2.01 ratingsEducationFreeData updated 2026-10-19
The app demonstrates mapping neuron receptive fields in the visual system. Students act as vision scientists to locate stimuli that elicit responses from visual cells.
Practice Mandarin tones and improve pronunciation.
This app helps users practice Mandarin tones by providing sample sounds and visual pitch shapes for comparison. Users can self-assess their tone perception and improve pronunciation quickly.
