It’s a fundamental principle of physics that particles with opposite charges attract each other, while those with the same charge repel. But now, scientists at the University of Oxford have found that ...

The fact that like charges repel and opposites attract is basic electromagnetism. But for decades scientists have occasionally made a counterintuitive, and controversial, observation: similarly ...

The study found that negatively charged silica microparticles suspended in water attracted each other to form hexagonally arranged clusters. (Image: Zhang Kang) Besides overturning long-held beliefs, ...

The study found that negatively charged silica microparticles suspended in water attracted each other to form hexagonally arranged clusters. Image credit: Cover image: Zhang Kang. A study published ...