Cool nerdy gift idea:
Originally shared by Sean Cowen
Glowing Radioactive Elements Coasters
These look like fun and perfect for all of our “inner geekness.”
Featuring the atomic number and isotopic mass of the most stable or common isotope for their respective radioactive elements, these pressure-sensitive coasters light up when you put your drink on them.
#science #geek #coasters
Out of stock at the moment, but check back, via ThinkGeek.