PhysicsRules of attraction: Strange chemical bonds that defy the textbooks Our most fundamental ideas about how atoms and molecules stick together are changing. That is great news for creating new materials, but brings fresh challenges to understanding the world around us Features
PhysicsStone skipping physics could help spacecraft land safely on water The rate of acceleration of a stone hitting the water is key to whether or not it will skip along the surface and could be useful when designing seaplanes and spacecraft News