If you think traffic in city centers is bad now, just wait until self-driving cars emerge on the scene, cruising around to avoid paying hefty downtown parking fees. Even worse, because cruising is less costly at lower speeds, self-driving cars will slow to a crawl as they “kill time,” says transportation planner Adam Millard-Ball, an…
Counting People With WiFi
Researchers in UC Santa Barbara professor Yasamin Mostofi’s lab are proving that wireless signals can do more than provide Internet access. They have demonstrated that a WiFi signal can be used to count the number of people in a given space, leading to diverse applications, from energy efficiency to search-and-rescue. ‘Our approach can estimate the…