Abstract: Wireless transmissions are inherently vulnerable to jamming attacks. Frequency hopping (FH) has been widely employed in practice to combat jamming attacks. Although the recent use of ...

Archaeologists have uncovered a labyrinth in India that dates back 2,000 years and has a pattern similar to those found on clay tablets found at Pylos, Greece, from 1200 BC. The square Indian ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial ...

The crossroads quilt block is a great way to showcase a variety of fabrics. Feel free to use precuts or select fabric from your stash. This block is made using just two basic units arranged just so to ...

Just three miles from the Giza Pyramids lies a mysterious site known as Zawyet El Aryan, nicknamed Egypt's Area 51, sealed off by the military for decades. Archaeologist Alessandro Barsanti first ...

It’s no secret that having too much body fat could be bad for your health. You probably focus on how much you have, but another aspect worth paying attention to is fat distribution — or where you have ...

I work a full-time job and spend my after-work time parenting my 2-year-old daughter. I get one hour of free time between her bedtime and my own, and every night, I spend it quilting. I've been ...

Another great day to be outdoors with lower dewpoints, warming temperatures, and a nice breeze. An Omega Block Pattern will keep our weather extremely similar as we continue into next week. An omega ...

The erector spinae plane block continues to prove an effective part of the anesthesiologist’s armamentarium with minimal adverse events. PHILADELPHIA—The erector spinae plane (ESP) block continues to ...

Abstract: Envelope tracking (ET) is a well-established power-management technique to improve the power efficiency of RF power amplifiers. This tutorial covers the principles of envelope-tracking ...