Excitons, encountered in technologies like solar cells and TVs, are quasiparticles formed by an electron and a positively charged "hole," moving together in a semiconductor. Created when an electron ...

Carnegie Mellon University's Professor Curtis Meyer and his research colleagues explore an uncharted world inside protons and ...

Thanks for following our live page today. Before we go, here's a round-up of the key developments today: Speculation continues to mount over when potential peace talks between Russia and Ukraine ...