A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

When Refraction AI was founded in 2019, its goal was to use robotics to bring down the cost of last-mile delivery. Over the past couple of years, the startup has worked directly with restaurants in ...

Johnson-Roberson and Vasudevan, who jointly direct the University of Michigan and Ford Center for Autonomous Vehicles, cofounded Refraction AI, the latest self-driving outfit to announce plans to ...