Written byMichelle Lou, CNNBrandon Griggs, CNN Link to article Although parts of Paris’ Notre Dame Cathedral now lie in ruins, people can still experience what most of its nooks and crannies looked like in remarkable detail — thanks to an American art historian. Andrew Tallon, a professor of art at Vassar College, used lasers to … Continue reading Four years ago, an art historian used lasers to digitally map Notre Dame Cathedral. His work could help save it