14 votes

Is using "sleep mode" wasteful and harmful to a computer?

"Sleep mode" (on a computer or notebook) is a term that can hold different meaning. Generally it is considered S3 as defined by the ACPI specification, otherwise called "suspend-to-RAM," where your ...
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  • 241
10 votes
Accepted

Can Waterseer extract as much as 37 L per day from the air?

I can't give a complete answer.That would require original research and/or actually testing a unit for an extended period of time. But some of the statements on that page aren't correct and weaken ...
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  • 9,396
7 votes

Feasibility of electric car production given current production levels of various elements and compounds

a goal of 20M/year production by 2030. The chart is trying to use 2019 material production numbers as a surrogate for 2030 material production after a large increase in EV production. For this to be ...
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  • 11.1k
6 votes

Does going vegan roughly save 600 gallons of water a day?

Short answer: No. It's possible to save as much, but probably not average. It depends on what the vegan eats. However, it'd be fair to say an average vegan diet saves about 300-500 gallons of water ...
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  • 167
5 votes

Feasibility of electric car production given current production levels of various elements and compounds

Not sure what would be good evidence (along strict Skeptics SE lines) for the main (forecasting) question (since the data question is merely a prop). Perhaps that other forecasters came up with ...
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  • 49.3k
3 votes

Do polyester-cotton blends have lower CO2 footprint than 100% cotton?

Yes, cotton-polyester blends have a lower CO2 footprint than 100% cotton. According to "How Bad are Bananas?: The Carbon Footprint of Everything" by Mike Berners-Lee (ISBN 9781846688911), ...
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  • 211
3 votes
Accepted

Is animal agriculture the leading cause of species extinction?

No. According to Princeton University, Deforestation is the leading cause of species extinction. Evidence to date suggests that deforestation is currently, and is projected to continue to be, the ...
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  • 15.4k
1 vote

Is using "sleep mode" wasteful and harmful to a computer?

Damage to the computer because of "sleeping" frequently, if it happens, is probably caused by thermal cycling. Thermal cycling is the process of expansion-contraction due to changes in temperature. ...
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  • 131

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