Orange Is the New Black star Danielle Brooks was inducted as an honorary member of Delta Sigma Theta Sorority, Inc.

Sigma has always createdlarge, heavy lenses. In fact, we have even dissected why that has been the case. Yet, the company has ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

This paper describes a 0.18µm CMOS switched-capacitor 2-1 cascade sigma delta modulator. The design of the building blocks is based on a top-down CAD methodolog ...

Pretium, a closely held U.S.-based investment firm, ended talks to acquire Sigma Capital Group, a deal that would have marked ...

More than a century of sisterhood, scholarship, service, and social action will take center stage as Delta Sigma Theta Sorority, Incorporated convenes its 57th National Convention, bringing together ...