Skip to main content
Plus.Maths.org
Search
About
Support
Sponsors
Subscribe
Terms of use
Main navigation
Home
Articles
Collections
Podcasts
Puzzles
Discover
Videos
Login
Secondary menu
Search
About
Support
Sponsors
Subscribe
Terms of use
Add new comment
Universe
Ok say the universe began 15 billion years , then what ? A brick wall ?
Reply
Your name
Subject
Comment
About text formats
Filtered HTML
Web page addresses and email addresses turn into links automatically.
Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
Lines and paragraphs break automatically.
Ok say the universe began 15 billion years , then what ? A brick wall ?