Low-Tech Magazine. It's a rich collection of stories that provide evidence, if we need it, that sometimes the old ways of doing things are superior to our modern, high technology and high energy use, ways.
They talk about how we used to keep warm at home with a combination of warm clothes and radiant heat - rather than heating the air of the whole house and how ceiling fans are a much better idea than central air-conditioning.
There are interesting pieces about energy storage options including compressed air, as shown above, and insightful comments about how the internet has got faster but web sites have gotten slower.
There's even a solar powered version of the site, which may not be online if the sun isn't shining.
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