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Radar-like sensors bring touch sensitivity to everyday items | The Verge
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Utilizing a technology known as time domain reflectometry, a pulse is sent through a wire every time it's touched until it hits a detector, which reflects the pulse back. Based on the speed of the pulse and the time it takes to return, software can pinpoint the starting point of the pulse. The touch-sensitive wire can be placed onto any regular item — the wire can even take the place of a guitar string, while a wire pattern can be embedded inside deformable objects like clothes.
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Experiments with Touch – Bigscreen Android with 23 inch Resistive Touch Panel « Beyond the keyboard
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Inspired by the allegedly Windows Android x86 demo with a 23 inch multi-touch screen by Martin Drashkov (see second video below), I decided to give my own version a spin.
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