(a) A singlet metalens suffers from large barrel distortion. (b) A compound metalens effectively eliminates the barrel distortion. (c, d) Ray-tracing modeling of the (c) singlet and (d) compound ...

The field of biomimetic imaging systems and artificial compound eyes represents a fusion of biological inspiration and advanced engineering to develop compact, high-performance visual devices. These ...

Researchers have devised a new machine learning method to improve large-scale climate model projections and demonstrated that the new tool makes the models more accurate at both the global and ...