An instrument designed to collect and observe airborne microorganisms and particles from the atmosphere.
From aero- (air) + bio- (life) + -scope (from Greek skopein, to view); a specialized scientific instrument developed in the late 1800s and early 1900s.
Before electron microscopes and modern equipment, scientists built these mechanical contraptions to literally suck air through filters and then examine what they caught — they're like little vacuum cleaners for invisible bugs!
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