Mechanical object designer and inventor Neil Mendoza created this machine, which uses a variety of mechanisms which make music using rocks. Some are fired at aluminum keys, others smack into marble, and yet others are slapped with leather to produce notes and rhythms.
A smartphone accessory for home construction or improvement. Walabot uses a depth sensor and an app to provide a digital image of what’s behind walls, as well as how far they are inside. Use it to spot wires, pipes and more.
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