Atomic Cryptography

Atomic Cryptography

Atomic Cryptography Source: Wikipedia

The word for this science comes from the ancient Egyptian word "khēmia" meaning transmutation of earth, is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms, such as molecules, crystals, and metals. I hope that you still remember those fun, magical hours of khemistry from school that you wanted to never end (ha!) because today's challenge is all about that. Simply decrypt the following cryptotext:

15 68 53 8 D53 6 73 5 LE

 

 

 

 

 

Hint: the title of this post