Expanding the X-ray view of the universe

Expanding the X-ray view of the universe

X-ray telescopes observe the most extreme and hottest objects in the universe. Physicists in Arts & Sciences at Washington University in St. Louis are playing key roles in the first dedicated X-ray polarimetry missions, including one that launched this month.
A river runs through it

A river runs through it

Rock formations called shut-ins confine a section of a river, forcing water to flow between the steep walls of a canyon or gorge. Shut-ins are found in streams and rivers across the Ozarks. But some of the most outstanding shut-ins in the state are located at Johnson’s Shut-Ins State Park, where Washington University scientists are studying bedrock river erosion.
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