India, March 26 -- Finding ruins of ancient civilisations is painful and hard. You have to head to a location and trudge the earth - explore dense rainforests, deserts, high altitude mountains and even dive under the ocean - all for the quest to find that one undiscovered historical site. Once a site is discovered, you spend years carefully digging it with shovels, trowels, brushes and chiselers to bring out bits and pieces of ancient civilisation and figure how those people lived.

But now, a new suite of technologies has given rather cool superpowers to these dust-laden archaeologists. And a new way of looking at the past. Other than shovels, modern archaeologists pack laser rangefinders, magnetometers, computers for satellite mapping a...