Ed Regis, Author at 91av Science news and science articles from 91av Thu, 30 Jan 2025 11:46:41 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.1 242057827 These interstellar spaceship designs are wildly impractical /article/2465633-these-interstellar-spaceship-designs-are-wildly-impractical/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Wed, 29 Jan 2025 18:00:00 +0000 http://mg26535280.100 2465633