The three-cone drill is used to measure short-area quickness, which is a key attribute in Houston's zone-blocking offense.

WSJ: NFL Combine: Run Fast and You Might Be a Raider

He talked with Lieutenant -- I'm having a hard time today -- Lieutenant General Cone, the base commander at Fort Hood, and obviously has offered whatever resources any of those -- any of those individuals might need.

WHITEHOUSE: Press Briefing

It's got nine speakers: six 8-centimeter (3.15-inch) aluminum cone mids powered by neodymium magnets and three 2.5-centimeter (1-inch) titanium dome tweeters.

ENGADGET

The SS-AR2's incorporated drivers support a maximum input power of 100 watts through a 25 mm (one inch) soft dome, a 130 mm (five inch) sliced-paper cone and a 165 mm (six and a half inches) aluminum cone (double-drive system), producing a frequency response from 42 Hz to 60kHz.

ENGADGET: Sony reveals SS-AR2 loudspeaker, wants an invite to your next house party