Aerogel is the least dense substance ever created, and is used in NASA space suits, and to make the world's lightest ping-pong ball...
posted by arvana 1 decade 5 years 6 months ago • 10,060 viewsThe Meaning of Life
Created: 1 decade 6 years 3 months 1 week ago
Updated: 8 years ago
Views: 9,811
Updated: 8 years ago
Views: 9,811
existence is meaningless?