National Security Journal on MSN

Mach 5.1 X-51 Waverider ‘Hypersonic Scramjet’ Has a Message for the Air Force

Boeing’s X-51A “Waverider” was a hypersonic tech demonstrator built with AFRL, DARPA, and Pratt & Whitney Rocketdyne to ...
What Hi-Fi? on MSN

Dali Oberon 5 5.1 Speaker Package

Upfront are the Award-winning Dali Oberon 5 floorstanders. The surrounds are either the five-star Dali Oberon 1 standmounters (£1699), which is the package we're testing, or the compact Dali On-Wall ...