
Optics on a roll
Advances in optical research
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Cassini rewrites the textbooks on Saturn
Hans Bethe, who helped develop the atomic bomb and worked out how stars shine, has died aged 98
The philosopher William James once said that “if you wish to upset the law that all crows are black, you must not seek to show that none of them are – it is enough to produce a single white crow”. Likewise, if you wish to test the so-called CPT theorem, according to which a world […]
Where does the classical world begin, ask Markus Arndt, Anton Zeilinger and Klaus Hornberger
What does a writer and co-producer on Star Trek read?