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SCIENCE HISTORY: In the 1800s, the British decided itself to measure and map the entire India. In the 1800s you could across India observe strange activities: groups of men in thick uniforms sweaty dragged enormous instruments of rivers and hills and steep mountain sides. The instruments were theodolites, weighing half a ton. They were used

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HISTORY: Units as meters, carat and Richter scale is the word most people know and use. But where the words come from and what they mean completely accurate? Read the stories behind the numbers – sometimes controversial – measurement units. Pint: Fluid definition For most hanging word pint inseparably together with a glass of draft

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The most common and best known measure of inflation is the consumer price index, CPI. This measure is calculated and published monthly by Statistics By buying the same goods and services can study how major changes in the price of the basket. Since the quality of the goods can be changed over time, as when

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All living things absorb carbon-14 during his life. When the living organism dies stops uptake of carbon-14 and by measuring the amount remaining in the organism can figure out how old it is. With carbon-14 dating, scientists can for instance determine the age of the plants and animals up to about 50,000 years back in

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Principal rule First, measure the building’s internal dimensions of each floors (basement, level 1 etc.). All spaces in a Housing can not be used just as well. Therefore, parts can then up the measured surface of the living area and secondary area, the Swedish standards designated floor area and biarea. All types of floors, except the floor with a

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Three completely different but advanced techniques used for distance measurement. GPS uses satellite signals to calculate the receiver’s position. Fotpodarna – step counters – in our test is piezoelectric accellerometrar. The third technique is the radar, where the instrument uses infrared waves much like police traffic radar. GPS receivers have in recent years become increasingly

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