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Featured in blades

By Sep 17, 2019
DIY

Make a knife sharp enough to shave

Field & Stream's outdoors skills expert examines the finer points of honing a knife with a stone.
By Feb 17, 2011
Technology

From NACHOS to MAHEM: Naming The World’s Most Advanced Military Tech

What's in a name? For DARPA, acronyms are more than just shorthand
By May 7, 2010
Technology

Video: In Pioneering Study, German Robots Given the Chance to Stab Humans

First ever study of how robots attack tests their murderous ways
By Feb 27, 2010
Technology

Video: A Silent Rotor Blade Paves the Way for Super-Stealth Choppers

For all the government conspiracy militia nuts out there, I’ve got some good news and some bad news. The good...
By Nov 2, 2009
Technology

Stealth Wind Turbines Avoid Erasing Aircraft From Radar

A Danish company has demoed the first stealthy wind turbine that uses similar materials to stealth aircraft
By Aug 31, 2009
Technology

DARPA Wants Morphing Helicopter Blades By Yesterday

Future whirlybirds may change their rotor blades to suit the mission
By Aug 10, 2006
Technology

The Fembot Mystique

Sex-and-tech writer Annalee Newitz explores the pop-culture fascination with female robots
By Jul 1, 2006
Technology

The Supersonic Shape-Shifting Bomber

With a shift of its wing, the Pentagon’s next attack drone goes from long-range endurance flyer to Mach-speed assassin