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State of the art, one of the seven wonders of the Ancient World, the great lighthouse of Alexandria, built around 280 B.C., towered some 450 feet above Egypt's greatest harbor. At that height, it was ...

Researchers in China have developed a pair of contact lenses that can help people see infrared light, potentially giving wearers functional night vision. The lenses were tested on both mice and humans ...

An international research team, including scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), has achieved a ...