Einstein's Blackboard Mug

Pour a mug of your favorite drink as you think! Sketch a plan, work out a formula, write a message on Einstein's Blackboard for your labmate or your roommate.

As soon as you open the box you can create an equation because theres chalk right inside. This is a mug that will give you ideas so go ahead and make your mark, Genius! (And dont forget to show your work.)