What do you see in your mind's eye? Come tell us, in the thread on people who have no mental images.
On MeFi, midmarch snowman clocks some multi-link first-post goodness with Finally a horology post for people who like shiny things, while in the Green, mzurer asks, In 1527 how did English households tell time?
Also linked recently on the Blue:
Built For Eternity, on structures designed to potentially outlast human civilization
400 Years, a browser game that uses time as a gameplay mechanic
Why Time Flies, a visualization of why time seems to pass more quickly as one gets older