These researchers want to put “Fitbits” on urban trees to see when and how they grow
Sensors are getting cheaper, and they can be used for more than just tracking your run.
Tag: accelerometer
Your smartphone can tell when you’re drunk — and this might save lives
Smartphone accelerometers can record 'drunk gaits'.
‘Quantum compass’ can locate objects without GPS
The device is completely self-contained, being able to determine the position of an object on the globe with no external ...
