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S martphones in P hysics and E ngineering E ducation . Dr. Shakur “Doc” Taylor Sinatra. And the $1 Billion Winner is …. S mart … Very S mart!. Compelling piece of technology Microprocessor and Operating System Haptic System (Touchscreen) Array of sensors included
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Smartphones in Physics and Engineering Education Dr. Shakur “Doc” Taylor Sinatra
Smart … Very Smart! • Compelling piece of technology • Microprocessor and Operating System • Haptic System (Touchscreen) • Array of sensors included • Three-axis accelerometer • Gyroscope • Gaussmeter (Magnetometer) • TRRS Headphone input / output • Microphones • Speakers
Atwood’s Machine • Measure gravity by “slowing it down” • Measured by hanging two slightly different masses and reading the acceleration
Atwood’s Machine • Smartphone is placed in a plastic bag • App measures the acceleration • Data compared to theory • 99% accurate
Acceleration App • Today is your lucky day! • Everybody in the audience gets it FREE!
Centripetal Acceleration Lab • The phone is placed on a turntable and the app is run • a = mv2 /r
20th Century 21st Century
MIT App Inventor • App Inventor is Free • Simple pre-coded blocks make it relatively easy to use
Future Exploration • Smartphones have become indispensable • Ideas for future laboratories • Oscilloscope and Signalscope App • Gaussmeter for magnetic fields • Gyroscope for angular speed • Smartphones can reduce lab budget significantly • Students are excited about using smartphones