Exploratorium home Exploratorium home Explo.tv
Browse programs by:
Search 
00:05:31
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.

00:02:25
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.