PhysicsDark stars may be waiting in a mirror universe for us to discover them Physicists have proposed that a mirror universe alongside our own might explain dark matter – and we might be able to see traces of its stars 51¶¯Âþ
PhysicsSeams on a baseball shift its trajectory by unexpectedly large amount When a baseball is tilted and spinning just right, its raised, hand-stitched seams skew the process by which its wake is created and radically shift its trajectory in the air 51¶¯Âþ