Joel Barker

The future of carbon and silica applications to replace metal

How could sand and graphite be stronger than steel? Joel Barker joins Jim Blasingame to report on two kinds of new-tech materials - carbon and silica - that are more useful and stronger than steel, plus a new kind of light bulb.

More interviews with Joel Barker

Joel Barker
Is China a greater threat to itself than to the U.S.?
Joel Barker
More futuristic innovations on the horizon
Joel Barker
Futuristic innovations that are now reality
Joel Barker
Turning used tires into graphene that would strengthen concrete
Joel Barker
What’s Bill Gates up to with his investment in nuclear power?