He discovered Great Crystal Cave in 1917 ... during our tour were similar to those Collins saw the day he was trapped, according to Wheet. A furious rescue effort began and word spread among ...

Floyd Collins trapped in Sand Cave, Ky Jan. 30, 1925 Neighboring Crystal Cave, which is now known as Floyd Collins Crystal Cave, is one of the most beautiful and impressive caves in Western Kentucky.

Scientists at the University of Chicago have developed a groundbreaking crystal memory that stores terabytes of data in a millimeter-sized cube ...