The keyboard and trackpad feel great (we're coming from an 11-inch Core i7 MacBook Air), and two-finger scrolling works like a charm.

ENGADGET: Hands-on with Google's $249, ARM-based Chromebook (update: video)

To determine whether a deposit has enough of a mineral to merit mining, companies use air-based geological mapping and drill for core samples.

WSJ: Exhausting the Earth's Resources? Not So Fast

When he tapped his volunteers on their chests at the same time as he tapped the air at chest-height below the cameras, they reported feeling that the core of their identity inhabited the camera's position.

ECONOMIST: Consciousness

Her focus included emphasizing Air Force core values, its mission in space, and funding for F-22 fighters.

CNN: Air Force Secretary Widnall Stepping Down

The F8000 is the world's first Smart LED TV with a quad-core processor, so consumers can toggle between apps, online services and on-air TV quickly and easily without missing a moment of their favorite entertainment.

ENGADGET: Samsung 2013 LCDs and plasmas revealed: quad core CPU, new menus and more