/ News

19.12.2012

Artificial muscle for soft robots can bend in sunlight

Robots aren't known for being light on their feet, but a new artificial muscle that can be powered by a sunbeam could change that. Researchers have developed a photoresponsive actuator - a gel-like material that bends when it is exposed to light.

Akira Harada at Osaka University in Japan and colleagues have developed a prototype that works in water. When hit with UV light at a wavelength of 365 nanometres it expands, bending and increasing in mass by taking on water. Visible light at a wavelength of 430 nm restores the muscle to its previous form. "The gel absorbs water like an expanding and contracting sponge," says Harada.

The muscles work via the interaction of two chemical compounds in the gel - azobendrine and cyclodextrin - which react differently under different light. The direction in which the gel bends can then be controlled by shining UV and visible light from various angles.

Light-activated muscles are likely to be most applicable in soft robots, which are built from materials such as gel or rubber and lack a skeletal frame. Existing examples tend to move pneumatically, but the need for an umbilical air hose keeps them tethered. Soft robots are also currently limited by their inability to carry heavy loads such as a battery.

By using light as an external power source, soft robots could be given a much greater range. Even sunlight could be used, says Harada.

Source: http://www.newscientist.com/blogs/onepercent/2012/12/artificial-muscles-sunlight.html




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Founded by Russian entrepreneur Dmitry Itskov in February 2011 with the participation of leading Russian specialists in the field of neural interfaces, robotics, artificial organs and systems.

The main goals of the 2045 Initiative: the creation and realization of a new strategy for the development of humanity which meets global civilization challenges; the creation of optimale conditions promoting the spiritual enlightenment of humanity; and the realization of a new futuristic reality based on 5 principles: high spirituality, high culture, high ethics, high science and high technologies. 

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A large-scale transformation of humanity, comparable to some of the major spiritual and sci-tech revolutions in history, will require a new strategy. We believe this to be necessary to overcome existing crises, which threaten our planetary habitat and the continued existence of humanity as a species. With the 2045 Initiative, we hope to realize a new strategy for humanity's development, and in so doing, create a more productive, fulfilling, and satisfying future.

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2015-2020

The emergence and widespread use of affordable android "avatars" controlled by a "brain-computer" interface. Coupled with related technologies “avatars’ will give people a number of new features: ability to work in dangerous environments, perform rescue operations, travel in extreme situations etc.
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2020-2025

Creation of an autonomous life-support system for the human brain linked to a robot, ‘avatar’, will save people whose body is completely worn out or irreversibly damaged. Any patient with an intact brain will be able to return to a fully functioning  bodily life. Such technologies will  greatly enlarge  the possibility of hybrid bio-electronic devices, thus creating a new IT revolution and will make  all  kinds of superimpositions of electronic and biological systems possible.

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