Monday, 21 November 2011

The world's smallest car - the size of a molecule !!!




Scientists have made a breakthrough by claiming another achievement in the field of automobiles by the use Nano technology.

Scientists have claimed that they have created the world's smallest car, the size of a single molecule and thus even making it invisible to the human eye. A team at the University of Groningen in the Netherlands says the only real ways that it has any visual similarities to a car is that it has four wheels and a bare-bones internal framework.

The electric-powered vehicle, which is the size of a single molecule, has a chassis and four paddle-shaped wheels and is roughly one-billionth the size of a traditional hatchback car.

Its maiden journey wasn't exactly epic -- six nanometers -- and its fuel-efficiency wasn't world-beating either, needing a jolt of 500 millivolts every half revolution of its wheels. The car is powered by electrical pulses that respond to millivolts of energy. For every halfturn of its wheels, the car needed another jolt of energy, the Daily Mail reported. Even though the actual size of the project may be smaller than the average human eye, it is a massive breakthrough in the field of nanotechnology.

The scientists argue that while one may not see these little speed demons tearing down highways anytime soon, the research behind it will likely effect other fields in years to come.

The fact that the molecule was able to take external electrical energy and use it to move itself is scientifically significant. "To build the nanotechnology of the future like nano robots, machines and transporters you need something to fuel it," said Ben Feringa, one of the scientists involved with the project.

The world's smallest synthetic motor was created by Alex Zettl, professor of physics at University of California, Berkeley in 2003 while the first nano car (without a motor) was built by James Tour in 2005.

"It's very difficult to know where the future will go and ultimately the systems will be different. But first you have to find the fundamental principles. That makes things possible," he said.

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