Researchers have shown that entangled photons can be used to improve the penetration depth of optical coherence tomography (OCT) in highly scattering materials. The method represents a way to perform OCT with mid-infrared wavelengths and could be useful for non-destructive testing and analysis of materials such as ceramics and paint samples. …
Tag: ceramics
A New Artificial Material Effectively Cannot Be Cut
Researchers from the University of Stirling, UK, have embedded ceramic spheres in aluminum foam to create a material that couldn’t be cut with angle grinders, power drills or water jet cutters. “They dubbed it Proteus after the shape-shifting Greek god, for the way the material metamorphosed in different ways to defend against attacks,” reports New Scientists. From the report: “It’s pretty…
What’s new on Coursera for Business – April 2020
By Adam Lewis, Skills Transformation Consultant As we continue to adapt to the new norm, here are 114 new courses and projects to pick out what’s important to you. You can try out Yale’s latest insights on why your Facebook friend is wrong about the stats they’re sharing. Or find your purpose with Michigan’s course […]
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Ancient Potter’s Secret ‘Piggy Bank’ Uncovered in 1,200-Year-Old Ceramics Kiln in Israel
A stash of seven rare coins dating to 1,200 years ago was uncovered near an ancient pottery kiln in Yavne, Israel. Source: https://www.livescience.com/ancient-hanukkah-gelt-found-in-pot-shop.html
Drought reveals a lost Spanish Stonehenge
Thanks to 2019’s record drought in Europe, a 7,000-year-old circle of 150 upright stones is back on dry land in western Spain, after 50 years underwater. Source: https://earthsky.org/human-world/drought-reveals-spanish-stonehenge-dolmen-guadalperal…