Here's everything you need to know about camping in Big Bend National Park in Texas, from the best campgrounds to regulations ...

Abstract: Remote photoplethysmography (rPPG) is a noncontact camera-based method that seems to be the most promising technology for remote cardiac health assessment. The conventional rPPG methods have ...

Abstract: Multiple receivers with a priori knowledge about their own initial states are assumed to be dropped in an unknown environment comprising multiple signals of opportunity (SOPs) transmitters.

Los Angeles is a place where essentially anyone can find themselves, especially outdoors lovers. The hiking trails of Griffith Park offer tremendous views of the city and landscape. Kenneth Hahn State ...

Screen time is at an all-time high, but what happens when you cut the cord completely? These travelers spent 144 hours without smartphones, lost in one of the world’s least-known nations. Every ...