http://www.macnn.com/articles/01/03/04/atomic.mac/
Atomic Mac 5.0b2: shareware periodic table
updated 09:21 pm EST, Sun March 4, 2001
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Black Cat Systems has released Atomic Mac 5.0b2, a beta of its $25 shareware periodic table database with extensive nuclear information, including half life, decay mode, x-ray data and binding energies. This version now runs on Mac OS X. [Carbon, Classic]
