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Thomas Young, born 250 years ago this week, was a polymath who made seminal contributions in fields from physics to Egyptology. But perhaps his most enduring legacy is proving Isaac Newton wrong about ...

Elon Musk has once again sparked discussion around simulation theory after responding to a post linking quantum physics concepts to the idea that reality may “render” itself only when observed. In a ...

This article is an extended version of the article “The double-slit experiment” that appeared in the September 2002 issue of Physics World (p15). It has been further extended to include three letters ...