For four years, James Chadwick was a prisoner of war in Germany. When World War I ended, he returned to his native England to rejoin the mentor of his undergraduate days, Ernest Rutherford. Now head ...
Scientists have created a Bose-Einstein condensate out of excitons -- quasiparticles that combine electrons and positively charged 'holes' -- in a semiconductor. Quasiparticle Bose-Einstein ...
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 ...
More than a century after Ernest Rutherford discovered the positively charged particle at the heart of every atom, physicists are still struggling to fully understand the proton. High school physics ...
Physicists have created the first Bose-Einstein condensate — the mysterious ”‘fifth state” of matter — made from quasiparticles, entities that do not count as elementary particles but that can still ...
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