These Drones Use Wi-Fi To See Through Brick Walls

    These Drones Use Wi-Fi To See Through Brick Walls

    These Drones Use Wi-Fi To See Through brick Walls – Would you be interested in a Superman-esque ability to see through walls? Have a couple of Wi-Fi-equipped drones at your disposal? Then you may be able to take advantage of some neat new research coming out of the lab of University of California, Santa Barbara

    Batteries from scrap metal

    Batteries from scrap metal

    At the end of this story is a link to a website. It is a treasure trove of battery research and information. Direct conversion of rusty stainless steel mesh into stable, low-cost electrodes for potassium-ion batteries.  Transforming rusty stainless steel mesh into...
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