Kate O'Connell

Kate Oââ

Copy machines can be found in every office, and most of us take them for granted. But 75 years ago, the technology that underpins the modern photocopier was used for the first time in a small apartment in Queens.

Inventor Chester Carlson used static electricity created with a handkerchief, light and dry powder to make the first copy on Oct. 22, 1938.