A Bird Backpack That Can Track Migrations

Bird backpack tracker Courtesy Michael Shafer/Northern Arizona University To study migrating birds, engineers have been developing a sensor-loaded backpack that would power itself with vibrations produced by flight. A special ceramic material would convert those vibrations into electricity. The Parts A) System battery B) Piezoelectric energy harvester & wireless communications antenna C) Circuit board with sensors, radio, memory, clock, and microcontroller D) Leg-loop harness Source: Michael Sha...