2+ hour, 20+ min ago  (747+ words) Lidar systems use pulses of infrared light to measure distance and map a 3 D scene with high resolution, allowing autonomous vehicles to rapidly react to obstacles that appear in their path. But traditional lidar sensors are expensive, bulky systems with…...

8+ mon, 2+ week ago  (742+ words) MIT researchers have developed a reconfigurable antenna that dynamically adjusts its frequency range by changing its physical shape, making it more versatile for communications and sensing than static antennas. A user can stretch, bend, or compress the antenna to make…...