Calcs that fit no other shelf: rockets from model flights to delta-v, staging and landing burns, projectile motion with air drag, stopping distance on snow and ice, earthquake early warning, a virtual wind tunnel, the Solar System in miniature and an engineering quiz. Physics you can try out.
Wired White v2 Calculate cavity Reynolds number, primary vortex position and centreline velocities. Compare two CFD grids, inspect residuals and animate tracers through the computed flow.
Wired White v2 Simulate model rocket altitude, ejection timing and parachute recovery. Check Barrowman stability and animate a flight using your own thrust points or idealized motor profiles.
Wired White v2 Calculate projectile motion and free fall with air resistance, wind and altitude. Compare the vacuum path, find the best launch angle, and estimate terminal velocity.
Wired White v2 Calculate staged rocket delta-v, thrust-to-weight and ascent loss estimates. Explore optimal mass allocation and tanker deliveries with transfer losses and boil-off.
Wired White v2 Compare reaction and braking distances on dry roads, wet roads, snow and ice. Explore sourced friction ranges, tire-test examples, ABS assumptions and slope with two animated cars.
Wired White v2 Calculate P- and S-wave arrivals, warning seconds and the blind zone. Animate wavefronts, infer distance from S−P and explore a rough shaking estimate. Educational use only.
Wired White v2 Calculate ignition height, propellant use, g-load and tower-arm catch forces. Animate a variable-mass vertical landing with editable booster-scale assumptions.
Wired White v4 Explore hypothetical Tesla Roadster cold-gas hops, launch and braking, with tank cooling, gas use, claim checks and a physical, fixed-scale replay.
Wired White v2 Take a 16-question engineering quiz covering electrical, mechanical, control and maths. Get category scores, worked formulas and a result you can share.
Potential flow around an airfoil or a cylinder by a panel method with the Kutta condition: lift, circulation, surface pressure, a lift polar and the flow field.
Eight recognizable planets and Earth's Moon: artistic scale, true relative orbital and rotation periods, and moving day–night boundaries.
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