Thought for the month

“It is easier to criticise than to correct our past errors.”
Titus Livius, Historian (c64 BC- c12 AD)

Friday, 12 June 2015

Read in the dark

Researchers have developed a thin, clear nanocellulose paper made out of wood flour and infused it with biocompatible quantum dots — tiny, semiconducting crystals — made out of zinc and selenium. The paper glowed at room temperature and could be rolled and unrolled without cracking.

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