Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Phil Ryan Phil Ryan is a writer primarily covering photography gear, printers, ...

You can see rare orcas off the coast of Rausu on the Shiretoko Peninsula in Hokkaido. In recent years, there have been sightings of a white orca, and although I didn't have high expectations, I ...