ThinkGeek has created a set of Radioactive Elements Coasters that glow whenever you place your drink of choice on top of them. Each coaster features the atomic number and isotopic mass of the most stable or common isotope for each element.
We love chemistry, so we really light up when we talk about this product created at ThinkGeek: our Radioactive Elements Glowing Coaster Set. 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. Choose to set your drink down on: