How was the laughing gas used by dentists to pacify drill-phobic patients created? Two words: self experimentation. Dark Matters: Twisted But True: Nitrous Oxide More Videos Online

Dark Matters: Twisted But True: Nitrous Oxide

How was the laughing gas used by dentists to pacify drill-phobic patients created? Two words: self experimentation.

Added: Aug 23, 2011
Views: 8287 Views
Runtime: 02:59

 
Advertisement
 

Shop The Science Channel

 
 
 

our sites

video

shop

stay connected

corporate