If you’ve flown recently or plan to travel soon, then you may notice something different at airport security checkpoints: cameras that scan your face.

The civil aviation industry has signalled a future without boarding passes, check-in counters or physical documents, writes ...

If you are tired of having your receipt scrutinized on the way out of Sam’s Club like you are going through customs at a ...

School of Civil Engineering, Chongqing University, Chongqing 400045, P. R. China MOE Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing University, Chongqing, P. R ...