Physics & Engineering.

Tune a driving frequency, add damping, and inspect the resulting vibration.

Steer toward a target using delayed measurements and discover overcorrection.

Spend three acceleration tokens on a six-task project and try to launch sooner.

Race a straight ramp against a longer cycloid and see which arrives first.

Propose an engine's work output and test it against a thermodynamic ceiling.

Add A or B to a reversible mixture and compare its reaction quotient with equilibrium.

Compare a toy planet starting warm or cold, with and without temperature-dependent reflectivity.

Couple two oscillators and inspect their phase difference over time.

Move a sound source and predict the frequency heard by a stationary observer.

Trace a ray across air and glass, then find total internal reflection.

Move away from an ideal point source and compare intensity with spreading area.

Change wavelength and slit separation to build a pattern of bright and dark fringes.

Try releasing electrons with longer-wavelength light before increasing photon flux.

Reconnect two resistors and compare source current, resistance and power.

Balance a resistor bridge until no current crosses between its midpoints.

Narrow an ideal horizontal pipe and compare speed with static pressure.

Choose two cart masses and resolve a collision while checking conservation.

Change a sealed object’s mass and exterior volume to make it float in two fluids.