Should you walk around the house in outside shoes? Doctors weigh in

So, to settle the debate once and for all, I asked doctors what they really think about wearing outdoor shoes inside. Things ...

The Hypersonic Test Bottleneck Is Real — And Five Companies Are Building the Infrastructure to Fix It

With the Pentagon racing to field hypersonic weapons by the end of the decade, demand for aerodynamic and materials test capacity is outrunning what fixed ground facilities can deliver ...