Until now, Antarctica was the only continent on Earth without any known amber fossils. But sediment cores taken from below ...

Department of Radiation Oncology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China ...

In a recent study, researchers have developed a compound metalens that enables distortion-free imaging. The study, published ...

Modern imaging systems, such as those used in smartphones, virtual reality (VR), and augmented reality (AR) devices, are constantly evolving to become more compact, efficient, and high-performing.