How much is 4x5?
[30] How much is 4x5? - How much is 4x5? - #brainteasers #math #riddles - Correct Answers: 1206 - The first user who solved this task is Ordinacija Aleksic
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How much is 4x5?

How much is 4x5?
Correct answers: 1206
The first user who solved this task is Ordinacija Aleksic.
#brainteasers #math #riddles
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Jim Gaffigan: Bottled Water

How did we get to the point where were paying for bottled water? That must have been some weird marketing meeting over in France. Some French guys sitting there, like, How dumb do I think the Americans are? I bet you we could sell those idiots water.
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Water softener patent

In 1937, a patent was issued to Leroy C. Lind for the Servisoft water softener (U.S. No. 2,087,157). The invention used a regeneratable granulated mineral, such as zeolite, which was already in use by domestic water softening systems using a permanent bed of the material. Leroy Lind devised a method that would be easier and faster to maintain. It would be less costly, and enabled the spent mineral to be regenerated collectively from a number of installations at a central location. The softener was packaged in water pervious, flexible walled cartridges or sacks sized to stack several vertically within a tall cylindrical tank connected to the water supply line. The contents of the sacks would settle to seal against the interior surface of the tank. The tank had a removable top to facilitate switching with renewed sacks.«
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