There’s a weird, wild piece of tech chatter  blowing up everywhere right now — social feeds, comment threads, memes — all about what some people are calling a sonic weapon  used by U.S. forces during the recent raid to capture Venezuela’s Nicolás Maduro . One widely circulated eyewitness account describes defenders suddenly overwhelmed by something that felt like “very intense sound waves” — causing nosebleeds, vomiting blood, and collapse before the main assault even hit. I