The American Physical Society (APS), founded in 1899, aims to "advance and disseminate knowledge of physics." It boasts over 55,000 members globally.

Founded in 1880, the American Society of Mechanical Engineers (ASME) is a not-for-profit professional organization with more than 130,000 members that enables collaboration, knowledge sharing, and

Engineering Village's databases, including Compendex and Inspec, are deeply-indexed and managed by domain experts.

The IOP ebooks™ collection brings together innovative digital publishing with leading authors from across the physical sciences.

IOP Publishing, a wholly owned subsidiary of the Institute of Physics, is dedicated to advancing physics research, application, and education.

The Nature Portfolio is a collection of interdisciplinary research and review journals dedicated to understanding, exploring, and sharing science since 1869.

Optica Publishing Group (formerly OSA）offers the largest collection of peer-reviewed optics and photonics content.

The Natural Science Citation Index (SCI), is a multi-disciplinary comprehensive database focusing on the field of natural sciences.

Science has been at the center of important scientific discovery since its founding in 1880—with seed money from Thomas Alva Edison.

Web of Science is the world's most trusted, publisher-independent global citation database. Guided by the legacy of Dr.