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education
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Metric Electrical Conduit Size
The electrical conduit is a vital part of any wiring effort. To get it right, you need to understand metric electrical conduit size options. Electrical conduit refers to the tubing that contains electrical cable and wiring. Conduit serves a variety of purpose. It keeps the electrical cable contained and orderly. It protects the cables and provides fire protection where the cables pass through walls.
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Speeding, traffic signs and metric
In 1865, the revised Locomotive Act reduced the speed limit to 4 mph (6 km/h) in the country and 2 mph (3 km/h) in towns. The 1865 Act required a man with a red flag or lantern to walk 60 yards (50 m) ahead of each vehicle, enforce a walking pace, and warn horse riders and horse drawn traffic of the approach of a self-propelled machine. The replacement of the “Red Flag Act” by the Locomotive Act of 1896, and the increase of the speed limit to 14 mph (23 km/h) has been commemorated each year since 1927 by the London to Brighton Veteran Car Run.Nepal, the Isle of Man and the Indian states of Uttar Pradesh and Kerala are the only places in the world that do not have a general speed limit.
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UK scientists working towards a redefinition of the kilogram
Scientists at the National Physical Laboratory (NPL) have released new research results that could affect how we measure a kilogram — the last SI unit based on a manufactured object. The International System of Units (SI) is the foundation for all our measurements from the beer in your pint to the gap between the tick and the tock on your clock.
SI units are defined by the General Conference on Weights and Measures. The next meeting of the conference, in November 2007, will consider a range of issues related to the maintenance of the SI, including an initial proposal to prepare for the redefinition of several of the base units.
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Ametrica! An Interview With Amy Wang
"Amy Wang's graduate thesis project, Ametrica!, was recently honored as a winner in the Adobe Design Achievement Awards. Amy is a recent graduate from the School of Visual Arts MFA Designer as Author program. She discusses her process of discover and her intention to spread the message that the U.S. should adopt the metric system."
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