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BeachBot Removes Cigarette Butts From the Beach
This mobile, beach-cleaning machine can spot cigarette butts, pluck them out of the sand, and dispose of them in a safe bin.
by Cabe AtwellChhavi Promises to Be an Open Source, Wireless, High-Accuracy Arduino-Compatible Fingerprint Scanner
Built around an ESP32, this compact gadget includes Wi-Fi, Bluetooth, and NFC connectivity, plus USB for wired use and programming.
by Gareth HalfacreeTry Your Luck with a Virtual Puck
A high-speed projector and camera combine to create a convincing virtual air hockey experience with limitless possibilities.
by Nick Bild