All These Are Links in the Endless Chain

Life mask of Abraham Lincoln, cast in copper, measuring slow time. The top of the mask rotates as an hour hand; the camera rotates around the head every minute; the copper oxidizes as the day progresses, resetting at midnight. Scan data courtesy Smithsonian Institute. 

http://allthesearelinksintheendlesschain.com

 

Every Mile / Every Hour

Car interior, police chase on a dark road, measuring fast time. The rearview ornament rotates clockwise every hour, the windshield compass rotates clockwise from North to North every 24 hours, car changes lanes every 30 seconds.

http://everymile-everyhour.com