Europium Element Cube Experiments Samarium is most commonly used

Samarium is most commonly used to make samarium-cobalt magnets which are the second strongest permanent magnets behind neodymium magnets

The wreckage was located 13 miles away from the final coordinates given during the distress signal

Below is a list of improvements found in the Collector's Edition:

Tantalum's atomic number is 73 and its symbol is Ta

Europium Element Cube Experiments Samarium is most commonly usedEuropium's atomic number is 63 and its symbol is Eu. Europium is one of the rarest rare earth elements on earth as well as the most reactive of the lanthanides. When europium oxides it turns from yellow to green to light yellow powder. It's few applications include the production of colored glass filters, TVs, and quantum data memory chips. The europium sample in this display is encapsulated in an argon filled glass ampule to prevent it from oxidizing