hobby #29
Stellar Spectrum Music Box Discs
Shoot long-exposure star spectra with a diffraction grating, stack and analyze the spectrum, map the strongest lines to pitches, then 3D-print a music-box disc that plays the star's signature.
Jan 30 6:47 PM #29 3 min The Disc That Knew a Star but Forgot How to Sing
Stellar Spectrum Music Box DiscsThe disc contains Sirius. The pins are 0.3 mm too short. The music box plays exactly nothing.
code-a-day tied to this hobby
- When Starlight Becomes Symphony: Harmonic Analysis Discrete Fourier Transform