The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

A customized scleral lens offers excellent visual acuity and comfort in patients with irregular astigmatism and complex corneal conditions.

Multiloop retrodirective cross-eye jammers offer the possibility of both simplifying system implementation and improving system performance. However, the signals for each jammer loop propagate along ...

This paper presents a methodology for the practical measurement of the variation of the radar cross section for the RFID UHF tags. This is a very critical parameter, and will govern the tag ...