Saturday, 24 April 2021_Hopes of rescuing 53 crew members of a missing Indonesian submarine off the waters of the nation’s Bali Island are fading as its oxygen reserves are believed to have run out amid increasing search efforts to retrieve the stricken vessel.
TEHRAN, July 11 -Scientists have converted water into oxygen and hydrogen under microgravity conditions using only a semiconductor and sunlight. The technology could make long-distance space travel possible.