so let's say you're in an implosion event at 5000 ft. Do you feel it? The brain stays alive for 20 seconds after your heart stops. I would imagine your skul

so let's say you're in an implosion event at 5000 ft. Do you feel it? The brain stays alive for 20 seconds after your heart stops. I would imagine your skull doesn't get crushed because fluids are only a tiny bit compressible with that much pressure I imagine your ribcage would collapse, stopping your heart immediately