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crystals

A magnified perspective of photonic crystals present on the surface of ancient Roman glass.  Source: Giulia Guidetti/Tufts University

2,000-Year-Old Roman ‘Wow Glass’ Morphs Into Something Beautiful

Two millennia ago, delicate glass vessels that potentially served as containers for wine, water, exotic fragrances in ancient Rome, shattered and met their untimely demise. They found their way into...
Cave stalactites and stalagmites. Credit: Santi Rodríguez / Adobe Stock

Ancient Cave Crystals Reveal Sea Levels Were 50 Feet Higher in Warmer Climate

Scientist studying ancient crystals in a Spanish cave have discovered disconcerting evidence that shows just how high sea levels can rise in a warmer climate. 4.4 million years ago, one of your...
Light forms matter

New form of matter created by scientists using light

When we talk about matter we normally have in our minds something of substance that we can touch and hold. However, scientists at Harvard and MIT have questioned our beliefs about matter and the way...