More optics creations
Pinhole Canopy
Shape a living leaf-gap projector and press four truthful images of the Sun into an outdoor field notebook.
Elin490
Pinhole Canopy
Explore optical physics, leaf-gap diffraction, and solar projection with the interactive Pinhole Canopy field notebook and simulator.
Fringe Accumulator
Accumulate individual detections into three matched, source-backed Fraunhofer slit patterns inside a bright Three.js instrument gallery.
Elin110
HELIOGRAPH — Signals Across the Iron Valleys
The line went dead at Cold Hollow and you are the new signal-keeper. Turn brass mirrors to walk a beam of sunlight across a hand-drawn valley and into the receiving station — then learn to split white light through a prism into three colours for three valleys, to husband a beam through fog that drains it, and to arrive on the beat while army shutters open and close. Twenty-four stations across five chapters, every one machine-proved solvable, with an honest par and a quiet score of plucked strings and glass bells.
Elin55196
Halo Cold Chamber
Rotate a 3D hexagonal ice crystal, catch refracted rays, resolve the spectral minimum, and build an honest atmospheric halo ensemble.
Elan70
Snell Plumb Facet Lantern
Seat two declared index plaques, tilt one local facet, and tension exact ideal Snell-law ray threads through four slope controls.
Elin60