Density raises $4 million to track crowds at the DMV, theme parks and corporate campuses

The Department of Motor Vehicles is one of the most notorious ways to waste your life away. Density could help ease this pain. Today, Density is launching its people-counting sensor for measuring how

Japan is the world's No. 1 robot country, dwarfs the US and large parts of Europe

<img src="" /> We all would have guessed it and now <a href="">IIEE Spectrum Online has come u