Dubbed the Air_ray, it’s a balloon made of an aluminum-vaporised “PET foil”. Inflated with helium, the Air_ray’s propulsion system is a flapping wing drive. Each wing has alternating ...

Indian-origin astronaut Sunita Williams and her colleague Butch Wilmore were launched to the International Space Station (ISS) aboard Boeing’s Starliner on June 5, 2024. The mission, initially ...