Our roundup of great outdoor gifts that are sure to put a smile on someone's face — without breaking the bank.

REI’s annual winter sale is here. I found deals on brands like North Face, Garmin and Smartwool, plus discounts for REI Co-op ...

Abstract: Gait phase detection holds great importance in the field of human activity detection and medical rehabilitation, but at present, gait recognition technology still has the disadvantages of ...