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 ...

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 ...

Figure 1: Comparison of positive and negative refraction. We made transmission measurements to confirm our structure's predicted negative refraction, using the interfaces of the photonic crystal in ...

Amarillo-based Maxor National Pharmacy Services Corp. has announced an agreement to acquire Athens, Georgia-based Pharmaceutical Specialties Inc. for an undisclosed amount. The transaction is expected ...