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Do “liquid solar blankets” work to stop heat from escaping a swimming pool?
There are products on ther market that claim to spread a thin layer of proprietary transparent liquid over the surface of your pool to reduce evaporation and thus retain heat.
One product is ...
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0answers
124 views
Is typical indoor concentration of VOC correlated to concentration of CO₂?
A vendor of VOC (Volatile Organic Compound) sensor claims the VOC concentration correlates highly to CO₂ concentration in a typical conference room:
Figure 2 illustrates the correlation of true ...
9
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1answer
1k views
Is it safer to NOT light your house at night?
At some point, I read a news report that investigators found out it is actually safer not to light your house when you are not there or when asleep. It mentioned that thieves found very dark places ...
4
votes
1answer
403 views
Is it more secure to close the door turning the key twice?
Some door locks you can turn twice (or even three times!). Is there added security in doing so? Or would it basically take the same amount of time to break / open a lock?
NOTE: I'm not sure if I use ...
10
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0answers
444 views
Do home alarm systems reduce burglaries?
Does installing an alarm system in your home have an effect on the number or results of burglaries?
I am about to buy a house with an alarm system installed, with a siren/flash light on the front ...
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0answers
2k views
Does filling a clothing washing machine to the top reduce cleaning effectiveness?
Someone recently insisted that filling a washing machine to the top doesn't get clothes as clean. My washing machine has water fill levels from "Small" all the way to "Extra Large," but no ...
5
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0answers
426 views
Do “reusable chemical-free dryer sheets” reduce static cling?
Inspired by another recent question about dryer sheets:
According to the retailers of purecosheet, these reusable dryer sheets can make your fabrics "soft and static free" for hundreds of loads.
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