An encyclopedia covering all major science subjects. Includes short articles, definitions, biographies, and suggestions for further readings. A great place to get started on a unfamiliar science topic.
ASTM Digital Library provides online access to approximately 12,500 standards for testing procedures, specifications, and standard practices for a wide range of materials and topics. ASTM Manuals, Monographs, STPs, Data Series, and Journals Library may also be found in this database.