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Waterless urinals can save between 15,000 and 45,000 US gallons (57,000 and 170,000 L) of water per urinal per year, depending on the amount of water used in the water-flushed urinal for comparison purposes, and the number of uses per day. For example, these numbers assume that the urinal would be used between 40 and 120 times per business day. [4]
In mathematics, the Wasserstein distance or Kantorovich–Rubinstein metric is a distance function defined between probability distributions on a given metric space. It is named after Leonid Vaseršteĭn .
Length of a meridian on Earth (distance between Earth's poles along the surface) [37] 40.075 Mm Length of Earth's equator: 10 8: 100 Mm: 142.984 Mm Diameter of Jupiter: 299.792 Mm Distance traveled by light in vacuum in one second (a light-second, exactly 299,792,458 m by definition of the speed of light) 384.4 Mm Moon's orbital distance from ...
Wasserstein metrics measure the distance between two measures on the same metric space. The Wasserstein distance between two measures is, roughly speaking, the cost of transporting one to the other. The set of all m by n matrices over some field is a metric space with respect to the rank distance (,) = ().
Earth's circumference is the distance around Earth. Measured around the equator, it is 40,075.017 km (24,901.461 mi). Measured passing through the poles, the circumference is 40,007.863 km (24,859.734 mi). [1] Treating the Earth as a sphere, its circumference would be its single most important measurement. [2]
Accessible female and male public washrooms on the Boise River Greenbelt in Idaho, US, featuring public art A public toilet at a park in Viiskulma, Helsinki, Finland. A public toilet, restroom, bathroom or washroom is a room or small building with toilets (or urinals) and sinks for use by the general public.
The siriometer is an obsolete astronomical measure equal to one million astronomical units, i.e., one million times the average distance between the Sun and Earth. [13] This distance is equal to about 15.8 light-years , 149.6 Pm , or 4.8 parsecs , and is about twice the distance from Earth to the star Sirius .
In group theory, a word metric on a discrete group is a way to measure distance between any two elements of .As the name suggests, the word metric is a metric on , assigning to any two elements , of a distance (,) that measures how efficiently their difference can be expressed as a word whose letters come from a generating set for the group.