Newest Questions
2,212 questions
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Can you re-use packaging silica gel for moisture retention in plant pots?
I've often wondered whether the innumerable small packets of 'DO NOT EAT' silica gel in packaging have the same content as "Water Retaining Granules" that are sold for flower pots and plant ...
- 986
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Coal fired electricity generation
Are there any home-sized coal fired electric generation devices available on the market?
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Increasing lifespan instead of births
Given that the earth can only cater to so many living individuals, and there is room, why doesn't the world focus on increasing lifespan instead of births?
Thanks.
EDIT: if n people give yield to m ...
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1
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Wind turbine cable lines and size
Why is it impossible to find the cables to connect a turbine to the batteries and the inverter on personal size wind turbines?
I've called several electricians and none of them know how to wire one.
I'...
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2
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75
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How many solar panels should a beginner install?
I have been living in a fairly isolated house for about 7 years now and am seriously considering installing some solar panels. Recently I have also become interested in all the topics of ...
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Avoiding frequent replacement of eyeglasses lens + frames due to lens degradation?
In the past decade or so it's become fairly common for me to notice that eyeglasses have their lenses' coating degrade over time. You tend to see delamination / bubbling of sorts after 2 or 3 years ...
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2
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44
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Is it more sustainable to use algae oil for power generation compared to traditional diesel?
This question explores whether using algae oil, which can be grown in non-arable land and requires less water, offers a more environmentally friendly solution for powering generators than relying on ...
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What is the "Battery operating range" on an inverter?
I'm looking at the SUN2000-3-10KTL-M1 hybrid three-phase inverter's specs here : https://app.simpla.be/uploads/companies/3838/product/638284693443385632_Huawei_TDS_SUN2000-3KTL-10KTL-M1_EN.pdf
I see ...
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Removing detergent from fabrics
How can I remove laundry detergent that has accumulated in my household fabrics? Rinsing in a washing machine in hot water and agitation is not very effective but very wasteful, it takes many hours of ...
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What is the most environmentally-friendly generative AI?
With public release of ChatGPT, access to conversational, generative AI became more widely available. There were various publications noting how energy intensive that technology was (here's one ...
- 909
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New Markets for recycled HDPE oil container
I read that one of the most common uses for recycled HDPE from oil containers is making new oil containers or plastic lumber. However, recycling center processors are becoming less incentivized to ...
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Need help with battery capacity
Hello I am new to solar energy. I am thinking about buying a home off the electrical grid with what looks like a big enough solar installation (16 565w panels in the south of Spain) with many hours of ...
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What is an environmentally friendly alternative to a door stop?
There are times when doors do not stay open on their own.
There are factory made door stops available. However, shipping these door stops long distance, from the door-stop factory, to a retail store ...
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3
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What is more sustainable than a ferro-magnetic metal plate for a cellphone mount?
People often mount cellphone and tablets to parts of their car so that they can use GPS navigation or so that their children can watch movies while in the car.
Cellphone often have a non-magnetic ...
- 213
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Comparing environmental impact of different jobs, with and without accounting for job multiplicities
How can I compare the sustainability (environmental impact/footprint) of different types of jobs, comparing, one with another?
What if these jobs were multiplied by their multiplicity (number of ...