shawn dougherty

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Intense laser experiments provide first evidence that light can stop electrons

By hitting electrons with an ultra-intense laser, researchers have revealed dynamics that go beyond 'classical' physics and hint at quantum effects.

Physics

Republican Attacks on Mueller and F.B.I. Open New Rift in G.O.P.

WASHINGTON — A growing campaign by President Trump’s most ardent supporters to discredit the special counsel, Robert S. Mueller III, and the law enforcement agencies assisting his investigation is opening new fissures in the Republican Party, with some lawmakers questioning the damage being done to …

Donald Trump

The Twin Cities have an ISIS problem

But the man, whom prosecutors identified as 19-year-old Hanad Musse, was hardly the only Twin Cities resident to face charges in recent months over suspected support of the extremist group.<p>There have been a string of ISIS-related arrests over roughly the past year.<p>Why Minneapolis? Authorities say …