Shutters
Chinese-owned Smithfield Foods shutters two more meat processing plants in Missouri and Wisconsin
Chinese-owned meat packing giant Smithfield Foods has closed two additional plants in the U.S. after coronavirus outbreaks, raising concerns about the American food supply chain. Smithfield announced the closures of packing plants in Cudahy, Wisconsin and Martin City, Missouri on Wednesday, days after its Sioux Falls, South Dakota plant was indefinitely shuttered. The Sioux Falls plant, …
NASA’s New Star-Watching Technology Has Thousands of Tiny Shutters
The Goddard-developed microshutter array technology has evolved since its initial development in the 1990s for the James Webb Space Telescope. Here are images of its various incarnations. A Next-Generation Microshutter Array will fly in space for the first time on October 27, 2019. Credits: NASA NASA scientists plan to demonstrate a revolutionary technology for studying …
