PostsCommentsPayoutskarakylya (23)in #news • 6 years agoWhy too much sleep could be bad for your healthSleeping longer than the recommended seven or eight hours a night has been linked with a higher risk of premature death, according to new research. Researchers looked at data…karakylya (23)in #news • 6 years agoNew solar sailing technology for NASAResearchers is taking solar sailing to the next level with advanced photonic materials. This new class of materials could be used to steer reflected or transmitted photons and…