Monster drills would cut a hole a yard or so in diameter down 2.5 miles into the Earth's crust, past the deepest groundwater into granite rock formations that have sat undisturbed for billions of years.
At some 2.7 kms in diameter (or some nine Queen Elizabeth 2 ship-lengths in size), 1998 QE2 is due to make its latest closest approach to earth at 1:59 Pacific Daylight Time (4:59 EDT) today.
Its leafy green head is usually 1-2 inches in diameter, roughly the size of a golf ball, but each sprout packs a potent punch of contrasting flavors.
The firing tube is supported in a tripod-like design and fires roughly a 3-pound shell, some 14 inches in length and a bit larger than 2 inches in diameter.
It's a 1, 270-kilometer conduit, 1.2 meters in diameter, that would snake across Afghanistan to carry natural gas from eastern Turkmenistan--with 700 billion cubic meters of proven reserves--to energy-hungry Pakistan and beyond.
Although no drill has been found, archaeologists have discovered beads of the same 2.5mm diameter as the holes found in the teeth, indicating the people did have the capacity to do delicate work.
Although there were plenty of reports of severe weather, there weren't widespread reports of extreme weather, with winds in excess of 75 mph and hail measuring 2 inches in diameter, said John Koch, a meteorologist with the National Weather Service East region headquarters in Bohemia, N.
The Cross Country lights manage to squeeze the ballasts into their 2-inch-diameter housing.
The world record had a bell diameter of 7 and half feet (2.29m) and 120 ft long tentacles (37m).
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He and his group realized they could grow silicon wires--chains of silicon crystals 2 to 20 nanometers in diameter and typically 10 microns long--on top of nanosize flakes of gold.
Roll the dough into two circles that are 2-3 inches wider in diameter than your pie shell or plate.
Built in 1990, the chamber, named after the company that designed it, is 6m (20ft) long with a 2.4m (8ft) diameter.
But none of them ever made anything half as revolting as Mr. Hirst's 1996 "Crematorium, " a 2.4-meter-diameter giant ashtray, filled with smouldering cigarette butts.
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Data was stored on rewritable magneto-optical disks 2.5in (64mm) in diameter housed for protection in a square plastic shell.
In the mid-1980s the smallest features on chips were 1 to 2 microns wide, about one hundredth the diameter of a human hair.
The parts--as large as 2 feet on a side and accurate within five-thousandths of an inch (about twice the diameter of a human hair)--give more substance to sales pitches and reveal flaws earlier in a product's design.
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