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‘If 1.5m Germans have them there must be something in it’: how balcony solar is taking off
(www.theguardian.com)
This is a most excellent place for technology news and articles.
Storing something extremely dangerous extremely safely for "some hundreds of thousands of years" doesn't exactly sound cheap, does it?
Not that expensive either. And that's already included in the energy price. Also volume is magnitudes smaller than used solar panels.