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A car accident, a rough tackle, an unexpected tumble. The number of ways to bang up the brain are almost as numerous as the people who sustain these injuries

Fun and Functions products for special-needs kids were a hit with parents.

(PhysOrg.com) -- Researchers have fabricated a fluidic antenna that can change its shape, and therefore the frequency at which it resonates, in response to pressure in a controlled and predictable manner. Shape-changing antennas like this one could be used as sensors, as well as offer new routes of fabricating stimuli-responsive electronics that change their function on demand.