Word: diameterically
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
FETAL HEARTS In a surgical first, doctors fixed a deadly heart-valve defect in a 5-month-old fetus. Guided by ultrasound, they angled a needle-thin catheter into the aortic valve, a spot one-eighth of an inch in diameter in a beating heart the size of a grape...
U.S. officials estimate that the roughly 400 Stingers unaccounted for in Afghanistan are nearing the end of their useful life, if they haven't already passed it. While defense officials suggest the missile system's battery is good for only about five years, many remain potent after 10 years. Both...
Nanotechnology takes its name from a nanometer (nm), a billionth of a meter, or about one one-hundred-thousandth the diameter of a human hair. In common usage, it refers to an array of new machines and materials whose key parts are smaller than 100 nanometers and to the new...
WALL WALKING Emperor Zhu Yuanzhang, the founder of the Ming dynasty, was of a very Chinese disposition: he liked walls, the longer the better. His affection for fortification was not merely fanciful: Zhu (also known as Hong Wu) spent 30 years at war with various warlords in his campaign to...
The turret was driven by gears below the floor, and could make 2.5 revolutions a minute. A crew of 17 men and two officers worked the guns in the 20-ft.- diameter space.