Khim Lal Gautam

When Khim Lal Gautam reached the top of Mount Everest at 3 a.m. on May 22, it was dark, windy and lethally cold. Gautam carried some unusual baggage - a ground-penetrating radar and a top-of-the-line satellite navigation device. Unlike most climbers, he and his team remained at the summit for nearly two hours so they could take the measurements the...

When Khim Lal Gautam reached the top of Mount Everest at 3 a.m. on May 22, it was dark, windy and lethally cold. Gautam carried some unusual baggage - a ground-penetrating radar and a top-of-the-line satellite navigation device. Unlike most climbers, he and his team remained at the summit for nearly two hours so they could take the measurements the...