PhysicsBubble collisions underwater may create tiny droplets in sea spray We have long struggled to explain why sea spray contains so many tiny water droplets – now, experiments suggest the droplets may be created underwater when bubbles collide and merge News
PhysicsIs space-time quantum? Six ways to unpick the fabric of the universe One of the biggest questions in physics asks whether space-time is classical or quantum in nature. From slow neutrinos to quantum foam, these experiments are hoping to finally answer it Features