3 thoughts on “Look beneath your feet

  1. Chris

    Not a big fan of XKCD, partly because of some of the cruder bits, but I don’t think I’m ever going to be able to think about the Earth’s core the same way again…

    Like

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s