Interesting Engineering on MSN

Santa at Mach speed: How the US Air Force reimagined the Christmas sleigh

An astrophysicist estimated that Santa would need to travel at roughly Mach 3,000 to visit an estimated 91.8 million children ...
The Daily Overview on MSN

Amazon needs more capacity as USPS auction risks $6B partnership

The most important package contract in America is suddenly in play. Amazon's $6 billion shipping relationship with the U.S.