Photonic crystals are manufactured structures used in many advanced optical devices to control the flow of light. Researchers in Italy and the U.S. discovered that an ancient Roman glass fragment naturally formed a photonic crystal structure on its surface through environmental weathering.
Read MoreHere is what we are hearing: Around the world of ceramics in eight minutes: CeramTec launches additional international websites In a concerted campaign, the CeramTec Group has launched sites in…
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