nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqysufjjd485tftr4wy2a83fqyqvtfq0yn820gl8vl6hcsdz8uv2hsu08m52 nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqdycez7uzrdj95z6qhkphw90c8588ctpaehq6knazzuknrnhw5vvslghu5l whats the idea? friction heating?