Miniaturization is one of the most world-shaking trends of the last several decades. Computer chips now have features measured in billionths of a meter. Sensors that once weighed kilograms fit inside your smartphone. But it doesn’t end there. Researchers are aiming to take sensors smaller—much smaller. In a new University of Stuttgart paper published in Nature Photonics, … Continue reading Smart Dust Is Coming: New Camera Is the Size of a Grain of Salt