As homage to Nikola Tesla and things that go bump in the night, Rick Crammond created this spooky sound generator that uses a simple crystal radio circuit connected to a PC's sound-in jack, Tesla-inspired plug-in antenna, and DSP software to control the gain and pitch of the circuit to create some great, real-time sound effects! The same radio circuit is a great RF field detector, makes cool sounds from all forms of light, listens to audio ranges, and even receives AM broadcasts. Because what could be spookier, really, than listening to a late-night, syndicated radio show host!
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicle’s parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but that’s just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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