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 ago • 10,057 viewsThe Meaning of Life
Created: 1 decade 5 years 9 months 2 weeks ago
Updated: 7 years 6 months 1 week ago
Views: 9,765
Updated: 7 years 6 months 1 week ago
Views: 9,765
existence is meaningless?