A chemical substance with the chemical formula H₂O, and an important biological solvent.
Questions tagged [water]
140 questions
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Does dowsing (aka Water Divining) work?
Also known as water divining, the more general term is dowsing. Practitioners claim to be able to detect minerals and even specific objects.
I first became interested in dowsing in my teens, when the BBC Television "Tomorrow's World" programme had a…
Zzzzzzz123
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Does one hamburger take more water to produce than 2 months worth of showering?
One hamburger requires 660 gallons of water to produce – the equivalent of 2 months’ worth of showers.
Per http://www.cowspiracy.com/facts/ from Catanese, Christina. “Virtual Water, Real Impacts.” Greenversations: Official Blog of the U.S. EPA.…
David Mulder
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Does it take 20000 L of water to produce 1 kg of cotton and 130 L to produce 1 cup of coffee?
http://everylastdrop.co.uk/ says "When you consider the water required to produce all the stuff we consume, we actually guzzle a massive 4,645 litres every day". It then lists several specific cases, including:
1 kg cotton = 20,000 litres, and
1…
DarkLightA
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Does bathing using a shower use more water than using a bucket or bath-tub?
I have heard many times during "Save water" campaigns that bathing using a shower uses more water than using a bucket or bath-tub? Is this true?
Lincity
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Does a vortex vessel affect water in these specific ways?
I just saw a Kickstarter campaign for a "vortex vessel" that supposedly improves tap water for drinking.
Some of the claims:
"[Tap water is] stuck in closed pipes where no beneficiary chemical reactions can occur"
"Toxins from the pipes dissolve…
user46979
2
votes
1 answer
Is reheated water less effective for skinning goats?
For the Hindu festival of Dashain, we strip the hair from a sacrificed goat with hot water.
I was told that the water should be constantly heated. If it is allowed to cool before reheating, it becomes useless and it can't be used to strip the…
Four Seasons
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Can one save up to $160 a year by peeing in the shower?
Ok, this claim just came across Facebook -- that one can save $160USD by peeing in the shower. Certainly, peeing in the shower is both more green and will in fact save water, especially if you let the urine go down drain using gravity rather than…
Evan Carroll
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Does warm water freeze faster than cool water?
I just happened to stumble across a phrase that says so, is it true?
Here is the source: http://en.wikipedia.org/wiki/Mpemba_effect
Sunny R Gupta
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