Seven questions that keep physicists up at night

It's not your average confession show: a panel of leading physicists spilling the beans about what keeps them tossing and turning in the wee hours.
That was the scene a few days ago in front of a packed auditorium at the Perimeter Institute, in Waterloo, Canada, when a panel of physicists was asked to respond to a single question: "What keeps you awake at night?"
The discussion was part of "Quantum to Cosmos", a 10-day physics extravaganza, which ends on Sunday.

Full article by Ivan Semeniuk on New Scientist



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