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Why does bi color toothpaste never mix and always come out perfectly divided in 4 triangles?
Wiki User
∙ 16y ago
From Wikipedia:
Striped toothpaste can be produced by including two different colored toothpastes in an unusual type of packaging. The collapsible tube has two tanks, one filled with each color paste (see figure). Squeezing the tube pushes the two pastes out the opening. The tube nozzle layers the pastes to produce a striped pattern. To keep the cost of packaging to a minimum, it is now common for tubes to be filled with striped paste (e.g. Aquafresh).[5] As the tube is squeezed, the stripes flow parallel to each other and do not mix. The patterned paste that gets dipensed is simply a narrower version of what is in the tube. Filling is done using a multi-nozzle filling head that dispenses a different colored stripe in each direction. To keep the stripes parallel to the axis of the tube, the head starts at the bottom and retracts as it fills, staying just above the level of the paste. Tubes with two compartments are generally reserved for toothpastes containing two formulas intended to react together and therefore kept isolated until dispensed (e.g. Colgate Simply White).
Wiki User
∙ 16y ago
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Toothpaste is always a mixture.
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When I was a bit younger the answer to this was always 'A tuba toothpaste' (a tube of toothpaste).
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90 degree triangles are always similar.
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Equilateral triangles are always similar because the will always have sixty-degree angles, and the sides will always have the same 1:1:1 ratio.
