Two crew members of SpaceX’s Polaris Dawn mission are attempting the first ever privately-funded spacewalk. Billionaire Jared Isaacman stepped out of the Crew Dragon spacecraft just before midday to begin a two hour float in space at an orbit of 700 kilometres – nearly double the altitude of the International Space Station. A backup opportunity … Leer más
Warning: Discussions of infant death. Recently, after almost causing long-term damage to my back by not purchasing a proper ergonomic desk chair for multiple years, I thought about all the little habits and things we do in our lives that can actually be quite risky or dangerous. My chronic back pain wasn’t necessarily the “riskiest” … Leer más
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more When billionaire Jared Isaacman self-funded a mission to orbit Earth in 2021, the project was billed as a childhood cancer fundraiser — and made for an eye-popping entrance into the private space tourism world. The four-person … Leer más