It weighs only 10 grams and measures just half an inch but it moves through the water as if it were a stingray real. The tiny creature on these lines is a robot … or rather a cyborg. The boundaries are blurred in a creation that combines optical technology to living cells in laboratory cultured rat
http:. //es.gizmodo.com/crean-un-siste …
the robot is the work of a team of bioingeniros of the Harvard University and just presented in the journal Science . Only it consists of four layers: two layers of printed silicone 3D, a skeleton gold, and a layer of muscle tissue grown from heart cells cultured rat in the laboratory to grow into the desired structure
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the key to the system is precisely rat cells that have been genetically engineered to contract by receiving light at a specific wavelength. Different pulses serve to make it move and maneuver, but that’s not all. Also pursues its own light sources even dodging objects.
200,000 cells feed on nutrients floating in the aqueous solution in which nothing. In the first experiments have succeeded in swimming the robot follow with 80% of its still alive after six weeks cells
The system has its limitations. To swim out of a test tube would probably have to give the robot more mechanisms to protect the living cells of the environment, as a kind of immune system. However, opening the door to a new generation of robots in which some electronic actuators can be replaced by living tissue. Did you say Terminator? [Science via Popular Mechanics]
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