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11 votes

Aerogel as home insulation?

Your question is very broad and can't be easily answered. There are few existing products, so the answer is also somewhat speculative. Aerogels are a form of material, like foam or dust. It's very ...
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  • 1,297
11 votes
Accepted

What to do with expired food?

To add to Chris' answer, I'd say eat them after doing the usual look-, smell- and taste-checks. Above all, make sure the can hasn't been deeply dented, is rusty or is bulging; in those cases, don't ...
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  • 3,212
10 votes

What to do with expired food?

Eat them. Then look into what the different types of expiry date mean. Tins, dried pasta and many other foods have a best before date based on guesswork about quality. Most foods sold chilled and ...
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9 votes

Aerogel as home insulation?

Aerogels show some promise for use in buildings conductivity is around 0.013 W/mK for commercially available aerogels compared to around 0.04 W/mK for glassfibre quilt and 0.025 W/mK for eps/...
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7 votes
Accepted

Environmentally friendly alternative to salt for de-icing walkways?

This is a question that many Departments of Transportation have struggled with as well! There are other chemicals that you can use, but all of them will have at least some impact on the environment. ...
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3 votes

Leaving the oven door open for heat - bad idea?

I wanted to add a sort of laymen-term answer to your specific question. Other addressed in general the practicality of using a stove to heat the house, but you specifically asked about after cooking, ...
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  • 723
3 votes

Dogs to protect housing against bears

I'm not aware of any dog that can go up against a brown bear and survive. Even wolves have trouble -- a brown bear can easily steal the kill from a small wolfpack. Your best option is probably a ...
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  • 579
3 votes

Aerogel as home insulation?

Available products Aerogels in composites are typically two to four times more thermally insulating than the next-best alternative. And since the recent expiry of some aerogel patents, the number of ...
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  • 14.6k
2 votes

Leaving the oven door open for heat - bad idea?

Although the currently accepted answer (as of this one being written) is very good and full of information, it doesn't actually answer the question. When you are done baking, it doesn't hurt anything ...
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  • 187
2 votes

Aerogel as home insulation?

There are already aerogels used in residents that are blankets and much more resilient than other legacy products available. They roll out easily and have none of the issues as fiberglass and other ...
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  • 21
1 vote

Grid tied inverters that work during power outages

I'd like to find a way to have my array work when I need it most! You'll need to invest in a home battery bank. These batteries are built to simulate grid-like conditions by providing a constant ...
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  • 1,100
1 vote

When/where is it feasible to use a solar cooker to boil water?

Just a matter of money; you can boil all the water you want with enough focusing solar collectors . There is an installation ( maybe more) in AZ (?) that melts metal with this method. Reliable,good ,...
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1 vote

What to do with expired food?

More/less related How food producers calculate "best before" date?: eat it if it looks good - expiration date is just best wish of producer, food may be perfectly fine after expiration date.
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1 vote

How safe is it to manufacture and use silicone?

http://globalsilicones.org ----- /sustainability/ and /silicones-chemistry/ 'Alot has to do with type of silicone. All silicones are sensitive to uv light and will break down eventually. Some ...
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  • 759
1 vote

Aerogel as home insulation?

If cost was not an issue and you were simply doing it to remove dust then yes cost aside this particular panel although expensive http://www.buyaerogel.com/product/airloy-x103-large-panels/ The H ...
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