How one photon becomes four charge carriers

Photovoltaics, the conversion of light to electricity, is a key technology for sustainable energy. Since the days of Max Planck and Albert Einstein, we know that light as well as electricity come in tiny, quantized packets ...

Study reveals origin of superconductivity in nickelates

Nickelates are a material class that has excited scientists because of its recently discovered superconducting ability, and now a new study led by Cornell has changed where scientists thought this ability might originate, ...

Cardboard with a more sustainable coating

On average, we open seven packaged items per day, most of them food items. All of this together makes for a mountain of plastic. But more and more often our tomatoes, apples and cookies are packaged in cardboard. To help ...

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