Printable hydrogel enables wearable health sensors that multitask

Image of a researcher applying printable hydrogel to a test participant

By Jamie Oberdick

Wearable health monitors can track heart rate, muscle activity, brain signals and other physiological measurements, but many devices are designed to capture only one type of signal at a time. Recording multiple signals simultaneously is more difficult because sensors must maintain reliable contact with the body even through hair, sweat and everyday movement.

Penn State doctoral student earns Corning honor for research into stronger glass

Mason Link

By Jamie Oberdick

Glass may look uniform, but some of the strongest and most useful glass materials contain carefully controlled crystals. Their size, number and arrangement can determine whether a material is strong enough for a smartphone screen, transparent enough for an optical device or durable enough for a dental crown.