Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not be a rare topic ...

Unofficial 'Spider-Man' follows nature's lead

Eden Steven, a physicist at Florida State University's MagLab facility, discovered that simple methods can result in surprising and environmentally friendly high-tech outcomes during his experiments with spider silk and carbon ...

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