Government-Military News: Difference between revisions
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=====Flying Microchips The Size Of A Sand Grain Could Be Used For Population Surveillance===== | |||
[https://www.npr.org/2021/09/23/1040035430/flying-microchip-sand-grain-northwestern-winged by SCOTT NEUMAN NPR September 23, 2021] | |||
The devices don't have a motor, but engineers were instead inspired by the maple tree's free-falling propeller seeds — technically known as samara fruit. They optimized the aerodynamics of the microfliers so that "as these structures fall through the air, the interaction between the air and those wings cause a rotational motion that creates a very stable, slow, falling velocity," said John A. Rogers, who led the development of the devices. | |||
