Exploratorium home Exploratorium home Explo.tv
Browse programs by:
Experimental physicist Carl Haber restores antique audio recordings too old, fragile, or damaged to be otherwise replayed—including recordings made in wax, soot, and foil. Using optical scanning technologies from his work at CERN in Switzerland, Haber has recovered and preserved a diverse collection of deteriorating sonic artifacts, voices from the past that otherwise would have been lost.

Anthropologist Philipp Gunz explains the process of virtual fossil reconstruction, a technique that can reverse the damage done to fossils by time and the elements.