An emission nebula is a nebula formed of ionized gases that emit light of various colors.

Lightglass’s CEO talks about the company’s light fixtures, which combine window construction principles with circadian-rhythm strategies By Qusi Alqarqaz June 17, 2021 Humans have long… Read More »IEEE: Artificial Sunlight Gets a Boost from LED Windows

CONTRIBUTOR: ROB GOODIER May 28, 2021 A box fan, air filters and the box in which they come are the raw materials for a simple air… Read More »Engineering For Change: How to Make a Low-Cost Air Purifier to Reduce COVID-19 Transmission Indoors

CONTRIBUTOR: ROB GOODIER May 5, 2021 Three startups emerged as winners of the Indian segment of the American Society of Mechanical Engineers Innovation Showcase (ASME ISHOW)… Read More »Engineering For Change: A Better Battery, a Prosthetic Hand and a Sanitary Pad Disposal System Win ISHOW India

CONTRIBUTOR: ROB GOODIER April 9, 2021 Editor’s note: The U.K. biometrics startup Simprints is developing ways of identifying the hundreds of millions of people whose births… Read More »Engineering For Change: Simprints Puts Faces (and Fingerprints) to Names