CORNING, N.Y.—Near the back of a Corning Inc. glassmaking plant here, a robot picked up a cage packed with hundreds of tiny vials and plunged it into a salt bath bubbling at more than 500 degrees Fahrenheit.
The hot soak for several hours is a key step in fortifying the glass vials from cracks, flakes and breaks that could thwart global efforts to stop the coronavirus.
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This post first appeared on wsj.com
