Graphene | How It s Made

In 2004, scientists extracted a substance called graphene from graphite - the material used to make pencils. Graphene can reveal chemical in the air, as well as disease enzymes in blood. #HowItsMade Mondays 9/8c on Science http://www.sciencechannel.com/tv-shows/how-its-made/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT