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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 ...

Sparks illuminate the soot-covered studio of Japanese swordsmith Akihira Kawasaki as his apprentice hammers red-hot steel, showcasing a millennium-old craft now enjoying a resurgence in popularity.

A traditional swordsmith in Japan says growing pop culture interest is bringing new, younger audiences to the centuries-old art of katana making. In Saitama Prefecture, 57-year-old swordsmith Akihira ...

Discover how to build a fully functional drum set at home using cardboard, aluminum foil, and some basic electronics. In this step-by-step tutorial, you'll see how to craft the drums and cymbals, wire ...