Seattle's Brinc just launched a drone it says can replace police helicopters; Arinna raises $4M seed round to solve the space power problem

Brinc launched its newest 911 response drone this week, as the company seeks to expand its prominence in the public safety industry.

Also, Arinna builds solar cells specifically for spacecraft and has developed an ultrathin new material that it expects to be far more flexible and more efficient than current technology.

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