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236: "Locked-in Syndrome and the Miracle Microchip"

Interesting Things with JC #236: "Locked-in Syndrome and the Miracle Microchip”. Locked-in Syndrome is a rare neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. Emerging technology provides a brain-computer interface to help people who are locked-in communicate freely again.

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201 - Interesting Things: Lead Glass

Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical glass. In past decades, it was a popular material used to create decorative vases and bowls as well as crystal glasses and decanters. Lead glass is also known as X-ray glass or radiation shielding glass as one of its major applications is in the absorbance of high energy radiation while maintaining optical transparency. Also, lead glass has a lower thermal conductivity than lead-free glass. Interestingly, even though stained glass windows are a type of leaded glass, industry experts often use them separately to create distinction between the two.

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