Search results
Results from the WOW.Com Content Network
The hourglass is often used as a symbol representing the passage of time. Clocks; a watch-maker seated at his workbench. Chronometry [a] or horology [b] (lit. ' the study of time ') is the science studying the measurement of time and timekeeping. [3]
As of 2013, many truck stops have added DEF pumps. These are usually adjacent to fuel pumps so the driver can fill both tanks without moving the truck. In Europe, increasing numbers of fuel stations offer dispensers that pump Diesel Exhaust Fluid rather than the traditional method of using disposable, single-use plastic containers.
Samuel Watson (fl. c.1635-c.1710), [1] was a horologist (clock and watch maker) who invented the 5 minute repeater, [2] and made the first stopwatch. [1] He made a clock for King Charles II [ 3 ] and was an associate of Isaac Newton .
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
A tankhouse (also spelled tank house or tank-house) is a water tower enclosed by siding. Tankhouses were part of a self-contained domestic water system supplying the house and garden, developed before the advent of electricity and municipal water mains. The system consisted of a windmill, a hand-dug well and the tankhouse.
In the 11th century, the Song dynasty Chinese horologist, mechanical engineer, and astronomer Su Song created a water-driven astronomical clock for his clock-tower of Kaifeng City. Su Song is noted for having incorporated an escapement mechanism and the earliest known endless power-transmitting chain drive for his clock-tower and armillary ...
AB: I would have been happy if the pictures just showed a gray planet, so I continue to be astonished. As a kid, you soak up all those pictures of Saturn, Mars, Mercury. But I hadn’t seen any of Pluto. My favorite one was taken on approach, and it was of the dark side of Pluto. We got closer, and there were all these craters swirling.
Halftone, the use of black and white in a pattern that is perceived as shades of grey (may be extended also to color images) Monochromacy, a type of color vision deficiency; Monochromatic color; Monochrome monitor, used with computers; Monochrome photography, also known as black-and-white photography