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Paper-mill waste that glows in the dark

A sequence of photographs showing foams glowing different shades and brightnesses of green

Hemicellulose foams glow in a variety of colours, depending on the wavelength of ultraviolet light illuminating them. After the light is turned off, the foams glow in the dark (all columns except far left) and eventually fade. Credit: B. Lü et al./Cell Rep. Phys. Sci.

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Nature 609, 13 (2022)



  1. Lü, B. et al. Cell Rep. Phys. Sci. 3, 101015 (2022).

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