Map scales close map scaleThe ratio of the length of a feature on a map to the same length in real life. are often written as a ratio, eg 1 : 250,000. They can also be written using measurements, eg 2 ...

It is not always possible to draw objects, such as a building, using the real-life measurements, as they are too big or in other cases, too small. Instead, a scale drawing is used to recreate ...

One of the most commonly known earthquake-measuring tools is the Richter Scale, but the system is no longer used today. In fact, the Richter scale was replaced in the 1970s by other magnitude scales ...

Ever try measuring the straight-line distance between two points on Google Maps? You had to hold some object or appendage up to the little scale, then eyeball-measure the distance on your screen. What ...

Weights, measures and classification systems may seem like innocuous ways of taking stock of the world around us. But the tools are anything but objective, a new exhibition suggests. Measuring ...