AURASHIELD: We Built Walls Against Rain. Then We Realized We Needed Walls Against Noise Too.
SILENCE ISN’T THE ABSENCE OF SOUND. IT’S THE PRESENCE OF A HEALTHY BRAIN. A few months ago, I was sitting inside a battered KSRTC bus crawling through traffic in Kochi. Nothing unusual. Horns. Brake squeals. Bike exhausts coughing like old machinery. Someone behind me watching reels at full volume. A child crying two seats away. Metal panels rattling against each other every time the bus hit a pothole.