University of Colorado Boulder (CU Boulder) engineers have designed a three-dimensional (3D) morphing display comprised of a grid of soft robotic "muscles" that generate pop-up patterns in response to outside pressure.
The researchers arranged 100 Hydraulically Amplified Self-Healing ELectrostatic (HASEL) actuators in a grid of squares; electric current causes fluid inside the accordion-shaped actuators to shift, triggering their expansion and popup.
Former CU Boulder researcher Brian Johnson said magnetic sensors in the actuators detect pressure, allowing users to draw on the display's surface with magnetic wands.
The prototype display also operates faster than similar smart tablets, as each robot muscle can activate up to 50 times per second.
From CU Boulder Today
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