Laser that creates plasma hotter than sun's corona

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An X-ray laser generating pulses a billion times brighter than any x-ray source prior has heated an ultra thin sample of aluminum to a record 3.6 million degrees Fahrenheit. That's hotter than then sun's corona!
The experiment took less than a trillionth of a second, and could help scientists unlock the secrets of what lies at the center of our sun and other stars.  More...