A nanotube is made of a lattice of single carbon atoms and holds great promise for nanomedicine technology. These easily manipulated particles make excellent sensors that can travel directly to a tumor. Additionally, researchers say they can be used to replace platinum in fuel cells and in energy-saving transistors. Researchers at the University of Arkansas at Little Rock Nanotechnology Center say they can grow bigger, faster tomatoes by exposing tomato seeds to carbon nanotubes, which will enrich the germination process, penetrating the seed coats to encourage water uptake. These are just a few of the ongoing studies involving the nano-sized particles.

There are many potential nanotechnology applications for these new strong sheets of nanotubes, Baughman says. One thought is that they can create artificial muscle material, which can move and function fluidly. They are also looking at the possibility of using a nano sheet in sensor lights or headlights. Solar cells for electric vehicles and electronic surfaces can also work with carbon nano-tubes. The space elevator is another futuristic device making use of the nanotube. In addition to civilian product uses, the military has a need for such strong materials. “Devices that are required in many of the Air Force missions are somewhat different from commercial ones in the sense that they are often exposed to harsh environments while maintaining their maximum performance,” said Dr. Jiwoong Park, a researcher at Cornell University. “Carbon-based nano-structures, including carbon tubes and graphenes (thin layers of graphite) present many exciting properties that may lead to new device structures.”

In the future, researchers believe that nanotubes may be able to help electronic devices repair their own circuitry. University of Illinois at Urbana-Champaign scientists says that a crack in the circuitry could trigger capsules of carbon tubes that will effectively bridge the gap. The real benefit would likely not be seen in laptops, cell phones or iPods so much as submarines, satellites and space shuttle systems. PopSci Magazine reports other “self-healing” materials on the horizon may include rubber, concrete and paint.

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