We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Updated March 12, 2026 Bags are fundamentally utilitarian. They carry your ...

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 ...

There’s one choice for me when it comes to the best travel backpack, but it took me years to figure it out. According to United Airlines, I have earned over 700,000 lifetime miles aboard its aircraft.

Available in cheerful colors like bubblebum pink and avocado green alongside stylish gold hardware, this backpack is eyecatching and incredibly functional. After weeks of daily trips to daycare and on ...