In several blind tests, Stradivari violins did not beat good new violins. Players and listeners often preferred the new ones and could not reliably tell old from new.
Starter thread · AI-reviewed against its sources
A piano sounds when a key throws a felt hammer against strings, whose vibrations a soundboard amplifies. Cristofori's invention let players vary loudness by touch.
Starter thread · AI-reviewed against its sources
Microphones pick up outside noise, and the headphones play an inverted copy of it so the two waves cancel. It works best on steady, low-pitched sounds.
Starter thread · AI-reviewed against its sources
