Curie Notes 13: Light and Spectra, the Fingerprints of the Elements
Every element writes its own lines in light. Learn to read them, and you can name a substance you cannot even see.
Wavelength, frequency and photons with c = λν and E = hν, the electromagnetic spectrum, line spectra, flame tests and the spectroscope, step by step.
Marie Curie
November 8, 2026
26 min