Cave Angel Fish Found deep inside Thailand’s caves, this rare species is unlike most others. It can climb, thanks to modified pelvic fins, and it’s one of the few fish known to move vertically ...

This letter presents a multibeam wide-angle scanning antenna based on the E-plane-focused partial Maxwell fish-eye (PMFE) lens operating in Ka-band. The gradient equivalent refractive index ...

Multiple cameras are increasingly prevalent on robotic and human-driven vehicles. These cameras come in a variety of wide-angle, fish-eye, and catadioptric models. Furthermore, wheel odometry is ...