The funny thing about clocks is that the more intriguing they are to look at, the more precious time is wasted. This steampunk clepsydra is no exception. A clepsydra, or water thief clock is an ...

UNIVERSITY OF CHICAGO Research Institute requires 30 gal. samples of city of Chicago water at least five yrs. and not more than 20 yrs. old. Phone Midway 3-0800, Ext. 2502, or write 5640 Ellis-av. For ...

Ebb of a Spring Tide’s main feature is the Water Clock, a 65-foot scaffold-like sculpture built to mimic the Manhattan skyline and constructed with materials commonly used in industrial agriculture.

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. UNSPECIFIED - CIRCA 1900: Greek civilization - 5th century b.C. - ...