Innovation: Only mind games will make us save power

Smart energy meters are being rushed into homes – but they need to be bundled with psychological smarts if we’re to change our wasteful ways. Read more…

Image: ? Redvers

Will the anaconda or the oyster rule wave power?

There’s no shortage of designs to convert wave energy to electricity – now they’re proving their worth at sea. Read more…

Image: Checkmate

Record-breaking solar cells are tailored to their location

Solar cells tuned to particular wavelengths make the most of the light at different places on Earth, boosting efficiency to record levels. Read more…

Image: Quantasol

Record-breaking algorithm really packs them in

Knowing how to fit a set of differently sized objects into the smallest space could make deliveries more efficient and cut their environmental impact. Read more…

Image: Johannes Schneider and colleagues

Solar cells need to be more dull to power up

Image: bradleyolin