A common seaweed called rainbow wrack grows along Europe’s coasts, including tidal rock pools in the UK. Deep inside its cells, this marine plant uses oily chemicals to make opal look-alikes—“living opals.” This discovery intrigues nanotechnologists.
Opals are gemstones renowned for the way they make white light shimmer with thin rainbow colors. Deep inside the opals, light bounces off very tiny ball… More…
Source: icr.org
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