NASA Marks 20 Years of Astronaut Spacewalks at ISS Scott Marlette Jul 21, 2021 NASA is marking 20 years since one of its astronauts emerged for the first time from the International Space Station’s Quest airlock into the cold void…
Longer-lived lithium-metal battery marks step forward for electric vehicles Scott Marlette Jun 30, 2021 Credit: Pixabay/CC0 Public Domain Researchers have…