Company Tests Iodine Thruster in Space for the First Time

New book 'Space Forces' examines the cultural drivers of space exploration

Book excerpt: 'Space Forces' (Verso, 2021) examines spaceflight visions

Gravitational Waves Should Permanently Distort Space-Time. The “gravitational memory effect” predicts a passing gravitational wave should forever alter space-time. Physicists linked the phenomenon to fundamental cosmic symmetries and a potential solution to the black hole information paradox.