Lightweight plastic mirrors drop cost of solar thermal energy by 40%

[petro]

Well, it simply looks like fossil carbon energy has the highest cost by far.

That one I am willing to pay to fill my V8.

 

[Captain Caveman]

Even Lithium has its limit -

How much energy can a battery hold?

If your smartphone struggles to make it through the day, you may have wondered why we can’t pack even more juice into a palm-sized...

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