Alva Review-Courier -

HANOVER, N.H. (AP) — After spending time in Switzerland studying and hiking in the Alps, Dartmouth assistant professor Emily Whiting wanted to relive those climbs back home.

Upon her return to the United States, she and a group of colleagues contemplated how they might recreate the climbs indoors.

Using 3-D modeling and digital fabrication, the team developed a system that replicates the hardest stretches of climb, so that it can be practiced on indoor climbing walls. In a presentation at a human computer interaction conference last month, the team demonstrated how they replicated a climb in R...