Speed

People who know me know I love to read and during the holidays I look forward to the books I’m inevitably gifted almost as much as I look forward to the fun,…


More than Mach 5 – not bad! CNET reports on the U.S. Air Force’s latest toy:

The X-51A Waverider flew today, and it flew fast.

The scramjet engine in the experimental aircraft burned for a little over three minutes at around 10 a.m. PDT Wednesday in a test range over the Pacific Ocean, pushing the X-51A to the hypersonic speed of Mach 5, or five times the speed of sound…