Search for Lost Colony goes high-tech By CATHERINE KOZAK, The Virginian-Pilot MANTEO, N.C. - An innocuous-looking golf course tractor pushing a platform on wheels could help illustrate the nation's oldest mystery. In the quest for the Lost Colony, the vanished 1587 English settlement on Roanoke Island, archaeologists have conducted numerous explorations in Fort Raleigh National Historic Site, digging and surveying and scanning and scoping. But they've never used high-tech radar tomography that can produce 3-D images out of data collected from 6 feet, more or less, under ground. The refined technology, which can also use sound and light waves, gained...