The U.S. Army has a problem with Velcro. It’s too noisy. And its little loops get clogged with dust from the Afghan and Iraqi deserts. The so-called “hook-and-loop” fastener was added to standard ...

Seatbelts are some of the simplest mechanisms found in a car, ultimately just strips of fabric with a buckle and clip at one end. So why do so many of them also have an extraneous fabric loop? Or what ...