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Lockheed envisions Mach 6 successor to SR-71 Blackbird

Over at the Skunk Works, aircraft designers are hard at work cooking up a hypersonic scion to the legendary SR-71, the superspeedy recon jet of the Cold War.

By November 1, 2013


X-51A Waverider hits Mach 5.1 in final flight

The accomplishment marks the longest flight for the $300 million X-51A technology demonstration program and, according to the Air Force and Boeing, the longest scramjet-powered hypersonic flight ever.

By May 3, 2013


Bazooka shoots ping-pong balls at Mach speed

A professor who once worked as an aeronautical engineer creates the ultimate ping-pong ball cannon to help students learn about dynamics.

By February 12, 2013


Flying in on the LG Mach (pictures)

Sprint's midrange slider phone, the LG Mach, has a 4-inch screen, a dual-core processor, and Android 4.0 Ice Cream Sandwich -- all for $100.

6 Images November 20, 2012


The LG Mach takes flight

Armed with a five-row sliding keyboard, the LG Mach also has a dual-core CPU, a 4-inch WVGA touchscreen, and a 5-megapixel camera.

By November 20, 2012


Sprint to offer LG Mach Nov. 11, preorders for Optimus G start

Not only will Sprint sell its QWERTY keyboard phone, the LG Mach, on November 11, but preorders for the quad-core LG Optimus G start today.

By November 1, 2012


Sprint to sell LG Optimus G, LG Mach, Galaxy Tab 2 10.1

The phones will bulk up Sprint's 4G LTE product lineup with four new devices. Now the company just needs to bulk up its 4G LTE network.

By October 9, 2012


LG Mach an LTE slider

The dual-core Mach manages to keep a slim profile for a keyboard phone.

By October 9, 2012


Flying by the LG Mach (pictures)

At MobileCon 2012 in San Diego, Sprint unveiled its latest 4G LTE keyboard handset.

6 Images October 9, 2012


LG Mach (Sprint)

Sprint's LG Mach is a reliable 4G LTE slider phone with midrange specs that'll satisfy basic needs at a competitive price.

November 20, 2012

3.5 stars Editors' rating November 20, 2012