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.

From water clocks and sundials to modern smartwatches, the devices we use to tell time have shaped many aspects of civilisation (Credit: Edouard Taufenbach and Bastien Pourtout) The methods we use ...

People of Islamic cultures, Rooney says, used water clocks to track prayer and fasting, whereas Christians developed the mechanical clock in 14th-century Europe as a way to schedule prayer.

This is where scientists got the idea that any clock with increased precision also has increased entropy on a mostly 1:1 scale, due to the Second Law of Thermodynamics.

Water Clock close-up courtesy of Scott Lynch. 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 ...

If You Go. The producers of "The Water Clock" are holding an open house they're calling "The Big Splash" at 2 p.m. - 6 p.m. Saturday. it will be at the South Broadway Cultural Center, 1025 ...

Phillips is bringing a 1926 Cartier “mystery clock” to auction next week in New York, less than a month after the US$1.92 million sale of a 1920s-era Cartier La Pendule Magnétique “water ...

During the Bronze Age around 1500 BCE, the ancient Egyptians relied on sundials and water clocks to tell the time. Well, times have changed—both literally and figuratively. In a little more than ...