Notizia proveniente dal sito BBC Science News (Sette ceppi di Escherichia coli sono stati ingegnerizzati per produrre ciascuno una proteina fluorescente diversa che, opportunamente illuminati e ordinati formano delle lettere!
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“When these bacteria are grown, the colonies appear as bright spots of colour under the correct wavelength of light. The researchers have devised a way of using pairs of these differently coloured proteins to represent letters of the alphabet. Prof David Walt of Tufts University in Medford, US, explained that this coding system is “practical, as it uses seven easily discernable colours in the visible spectrum”, but that other coding systems may be developed that make use of other colours and other combinations representing each letter.“