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The coronavirus pandemic caused an unprecedented number of jobless aid applications, creating a deep backlog which the state says is impossible to quickly clear; a group of residents has filed a lawsuit in complaint of the delays.
The battery-free devices could be used to gather environmental data over long distances and provide insights into an ecosystem's health
A sensor 30 times the weight of a dandelion seed can travel up to 100 meters in a breeze. "You could use a drone to release thousands of these devices in a single drop."
Wireless sensors can monitor how temperature, humidity or other environmental conditions vary across large swaths of land, such as farms or forests.
Inspired by how dandelions use the wind to distribute their seeds, a University of Washington (UW) team has developed a tiny sensor-carrying device that can be blown by the wind as it tumbles toward the ground.