PhysicsGold flakes glow when they are bathed in light and now we know how Shooting powerful lasers at thin gold flakes has revealed how the precious metal generates its own faint glow – and might help us better control chemical reactions used in energy storage ¿ìè¶ÌÊÓÆµ
CommentIn Light-Years There's No Hurry review: Embracing a cosmic perspective A charming, challenging book argues that we can improve our well-being by tapping into the spiritually transforming "overview effect" that astronauts report after seeing earth from space Culture