Posted on 1 Comment

Ring-A-Day: Nerdy Ring

What do you get when you mix nitrogen, erbium, and dysprosium? What ever it is, it probably tastes bad.

303/365

1 thought on “Ring-A-Day: Nerdy Ring

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.