The sound of a fingernail raking across a table or a board may be enough to drive most people crazy. But get past that annoyance and it could become a way to answer your phone, silence a call or turn ...

Scratch input allows us to use solid surfaces as an input devices by capturing the sounds they produce. Using a stethoscope and a high pass filter, they capture the unique sounds of specific gestures.

Remember that bizarre, inflatable touchscreen with buttons that crawled out of Carnegie Mellon University’s labs a few months back? Those same researchers—who can’t get enough of unorthodox input ...

Normally, “scratch” and “cell phone” are words I do not want to hear in the same sentence, but thanks to a team of student researchers at the Human-Computer Interaction Institute at Carnegie Mellon ...

Scratch input allows us to use solid surfaces as an input devices by capturing the sounds they produce. Using a stethoscope and a high pass filter, they capture the unique sounds of specific gestures.