hobby #174
Prism Spectroscopy
Using optical prisms and diffraction gratings to observe and measure spectral lines from various light sources—street lamps, flame tests, stars, fluorescent tubes—capturing wavelength data with improvised slit setups and calibration against known emission lines.
Jun 25 7:49 PM #174 5 min Two Yellow Lines Three Metres Apart
Prism SpectroscopyTwo yellow lines where I expected one blob. Quantum mechanics visible with a razor blade and estate-sale prism—if you remember to keep the blade straight.
code-a-day tied to this hobby
- Decomposing Signals with the Discrete Fourier Transform Discrete Fourier Transform