Matthew R. Francis
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Bustling Through the Physics of Crowds
A comic uses fluid dynamics to explain how groups of people move—and how that could help make large gatherings safer.
The Inside of a Neutron Star Looks Spookily Familiar
Exotic ultra-compressed matter can look like pasta, among other things.
How To Clock a Glacier
Portable slow-light technology could measure the speed of glaciers in real time.
What’s 250 Million Light-Years Big, Almost Empty, and Full of Answers?
Astronomers are using new tools in their search for cosmic voids.