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Patterned hearts: Bioengineers create rubber-like material bearing micropatterns for stronger, more elastic hearts

Patterned hearts: Bioengineers create rubber-like material bearing micropatterns for stronger, more elastic hearts | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

A team of bioengineers at Brigham and Women's Hospital (BWH) is the first to report creating artificial heart tissue that closely mimics the functions of natural heart tissue through the use of human-based materials. Their work will advance how clinicians treat the damaging effects caused by heart disease, the leading cause of death in the United States.

 

"Scientists and clinicians alike are eager for new approaches to creating artificial heart tissues that resemble the native tissues as much as possible, in terms of physical properties and function," said Nasim Annabi, PhD, BWH Renal Division, first study author. "Current biomaterials used to repair hearts after a heart attack and other cardiovascular events lack suitable functionality and strength. We are introducing an alternative that has the mechanical properties and functions of native heart tissue."

 

The researchers created MeTro gel-an advanced rubber-like material made from tropoelastin, the protein in human tissues that makes them elastic. The gel was then combined with microfabrication techniques to generate gels containing well-defined micropatterns for high elasticity.

 

The researchers then used these highly elastic micropatterned gels to create heart tissue that contained beating heart muscle cells.

 

"The micropatterned gel provides elastic mechanical support of natural heart muscle tissue as demonstrated by its ability to promote attachment, spreading, alignment, function and communication of heart muscle cells," said Annabi.

 

The researchers state that MeTro gel will provide a model for future studies on how heart cells behave. Moreover, the work lays the foundation for creating more elaborate 3D versions of heart tissue that will contain vascular networks.

 

"This can be achieved by assembling tandem layers of micropatterned MeTro gels seeded with heart muscles cells in different layers," said Ali Khademhosseini, PhD, BWH Division of Biomedical Engineering, co-senior study author. "As we continue to move forward with finding better ways to mend a broken heart, we hope the biomaterials we engineer will allow us to successfully address the limitations of current artificial tissues."

 


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Using ‘wired microbes’ to generate electricity from sewage | RobAid

Using ‘wired microbes’ to generate electricity from sewage | RobAid | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Using ‘wired microbes’ to generate electricity from sewage http://t.co/h4kSwo2h8E #green #eco #news
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Chicago Doctors Unveil First Thought-Controlled Bionic Leg - NBC Chicago

Chicago Doctors Unveil First Thought-Controlled Bionic Leg - NBC Chicago | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
NBC Chicago Chicago Doctors Unveil First Thought-Controlled Bionic Leg NBC Chicago Zac Vawter is using the world's first thought-controlled bionic leg, an amazing experiment the Rehabilitation Institute of Chicago says "represents a significant...
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Unsolved phenomenum: Why a Voltage-Generated Water Bridge Doesn't Collapse

Unsolved phenomenum: Why a Voltage-Generated Water Bridge Doesn't Collapse | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

If you apply an electric voltage across two water-filled beakers and separate them, something strange happens: The water stretches from beaker to beaker, creating a bridge that defies gravity. Water bridges were discovered 120 years ago, but no one has ever been sure why they do not collapse. One theory is that the voltage makes the water molecules line up, creating a “dielectric” tension that stops the bridge from falling. Another argues that surface tension—the tendency of a water’s surface to shrink inwards—keeps the bridge aloft.

 

Now, researchers believe that water bridges rely on both strategies. Reza Namin at the Sharif University of Technology in Tehran and colleagues measured various parameters across the length of a water bridge, including voltage, current, and bridge diameter. Then they plugged the data into a computer simulation to calculate the forces involved. The results, to be published next month in Physical Review E, reveal that dielectric tension and surface tension each carry about half a water bridge’s weight. The results, the researchers believe, could help engineers develop electrowetting, a method of using electricity to adjust the adhesion of fluids to a screen that is expected to be used in the next generation of e-book readers.


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Injectable sponge delivers drugs, cells, and structure

Injectable sponge delivers drugs, cells, and structure | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

Via Dr. Stefan Gruenwald
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Kevin Warwick - cyborgs vs. humans, what will happen?

Kevin Warwick - cyborgs vs. humans, what will happen? | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Sam went along to meet Kevin Warwick, a world leader in cyborgs, to ask him some questions from our viewers about the world of cybernetics.

Via Jean-Philippe BOCQUENET
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Vietnam man regains long-lost arm

Vietnam man regains long-lost arm | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
A former North-Vietnamese soldier is reunited with his arm after more than 40 years, when the US war doctor who amputated it returned the bones in person.
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Neuroscientist thinks human head transplant surgery is finally possible

Neuroscientist thinks human head transplant surgery is finally possible | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
An Italian neuroscientist believes he’s figured out how to do a full human head transplant. Or body transplant, depending on your perspective. In a recent paper, Dr. Sergio Canavero of the...
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Telescopic contact lenses magnify sight 2.8 times, turn wearer into cyborg

Telescopic contact lenses magnify sight 2.8 times, turn wearer into cyborg | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Interested in upgrading your eyeballs?Well, a team of DARPA-funded researchers led by Joseph Ford of UC San Diego recently published a proposal for a (Telescopic contact lenses magnify sight 2.8 times, turn wearer into cyborg -
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Mozart Is Yellow: How A Self-Professed Cyborg *Listens* To Colors - Worldcrunch

Mozart Is Yellow: How A Self-Professed Cyborg *Listens* To Colors - Worldcrunch | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
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Mozart Is Yellow: How A Self-Professed Cyborg *Listens* To Colors
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Mozart Is Yellow: How A Self-Professed Cyborg *Listens* To Colors.
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How The CIA Tried To Turn A Cat Into A Cyborg Spy - Popular Science

How The CIA Tried To Turn A Cat Into A Cyborg Spy - Popular Science | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Popular Science How The CIA Tried To Turn A Cat Into A Cyborg Spy Popular Science In 2006, for example, DARPA zeroed in on insects, asking the nation's scientists to submit “innovative proposals to develop technology to create insect-cyborgs.” It...
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Bluescape, the Touchscreen That Covers a Wall

Bluescape, the Touchscreen That Covers a Wall | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

Haworth and Obscura Digital's digital whiteboard can hold 160 acres of virtual space-

 

Apple (AAPL) has rolled out smaller models of its iPad. Jeff Reuschel is thinking bigger. The global design director for office-furniture maker Haworth, in partnership with interactive display company Obscura Digital, has created a touchscreen that covers a conference-room wall. Like a supersize version of CNN’s (TWX) Magic Wall, Bluescape displays a unified image across 15 linked 55-inch flat-screen monitors, each equipped with 32 specialized sensors to read users’ hand movements. Unlike whiteboards or flip charts, it won’t require much erasing or page turning: When zoomed out as far as possible, the digital board’s virtual space totals 160 acres. Using Bluescape, corporate and university clients can store often scattershot brainstorming sessions in perpetuity. Co-workers or classmates can add digital sticky notes, either with a digital pen on the wall itself or by uploading documents from other devices, from which they can also browse the virtual space. “There are fewer and fewer people working in cubicles,” says Reuschel. “The old-fashioned vertical surfaces are going away.”


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Robotic Exoskeleton from Esko Bionics Helps People Walk Again

Robotic Exoskeleton from Esko Bionics Helps People Walk Again | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Wheelchairs might soon become a thing of the past with the Esko from Esko Bionics. The company has created a walking aid that actually allows anyone to ...
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The eugenics plot from the film 'Gattaca' has come one step closer to reality ... - The Australian

The eugenics plot from the film 'Gattaca' has come one step closer to reality ... - The Australian | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
The eugenics plot from the film 'Gattaca' has come one step closer to reality ...
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7-year-old Guatemalan boy hears for the first time - KSDK

7-year-old Guatemalan boy hears for the first time - KSDK | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
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7-year-old Guatemalan boy hears for the first time
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The $40,000 equipment was donated by Advanced Bionics and the procedure was performed by Dr. Disher at Lutheran Hospital. Little Henry heard his family for the first time.
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Camera Lens Adjusts Focus Like a Human Eye

Camera Lens Adjusts Focus Like a Human Eye | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Sam went along to meet Kevin Warwick, a world leader in cyborgs, to ask him some questions from our viewers about the world of cybernetics.
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Miniature 3D Printed Organs Used For Testing Vaccines - TechBeat

Miniature 3D Printed Organs Used For Testing Vaccines - TechBeat | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Sam went along to meet Kevin Warwick, a world leader in cyborgs, to ask him some questions from our viewers about the world of cybernetics.
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Real-life super-powered 'exosuit': Better, faster, stronger ... softer - NBCNews.com (blog)

Real-life super-powered 'exosuit': Better, faster, stronger ... softer - NBCNews.com (blog) | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Real-life super-powered 'exosuit': Better, faster, stronger ...
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Japan picks 5 bodies for practical regenerative medicine research | Kyodo News

Japan picks 5 bodies for practical regenerative medicine research | Kyodo News | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Japan picks 5 bodies for practical regenerative medicine research http://t.co/2gQx6mJsmy
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Man creates “invisible headphones” by implanting magnets into his ears

Man creates “invisible headphones” by implanting magnets into his ears | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Will give himself echolocation ability via hookup to ultrasonic range finder.
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CYBOFREE : Man of Steel aspires for more in a world that yearns for less : Superman delays transcendence to save Planet Earth

CYBOFREE : Man of Steel aspires for more in a world that yearns for less : Superman delays transcendence to save Planet Earth | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
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Scientists find woman who sees 99 million more colors than others

Scientists find woman who sees 99 million more colors than others | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Newcastle University neuroscientist Dr. Gabriele Jordan, recently announced that she has identified a woman who is a "tetrachromat," that is, a woman with the ability to see much greater color depth than the ordinary person.

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DailyTech - Iron Man? Nope, New Lifting Aid is Called the "Titan Arm"

DailyTech - Iron Man? Nope, New Lifting Aid is Called the "Titan Arm" | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
Exoskeleton arm can lift up to 50 lb, is controlled by handheld remote

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Most engineering senior design projects are an entertaining, but lack the wow factor of corporate inventions.  But every once in a while you'll come across a gem.

I. Titan Arm Looks to Smash Back Problems

Among the pleasant surprises from this semester was the "MEAM Team" from the University of Pennsylvania, who offered up their own take on an upper body exoskeleton.  The team was motivated by the very real problem of back disorders which affect 600,000 workers a year in the U.S. and cost the economy an estimated $50B USD.  Most of these back disorders come from overexertion during lifting.

That's where the "Titan Arm" comes in.  

The one-arm exoskeleton helps the user lift objects in a curl motion, sparing the user's elbow from wear and tear.

Composed of five structural members, four moveable joints, and an adjustable upper arm member, the exoskeleton is strapped on the back and onto the user's arm.  The shoulder has three degress of freedom, so the user's arm is able to move relatively naturally in three-dimensional space.  


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How To Build Your Own Cockroach Cyborg

How To Build Your Own Cockroach Cyborg | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it
If cockroaches send you scrambling, use neuroscience to reverse the human-insect power balance. Carefully electrifying the nerves in a roach’s antennae (Roach not included ..
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Engineering the $325,000 In-Vitro Burger

Engineering the $325,000 In-Vitro Burger | Cybofree : Techno Social Issues for a Postmodern Transhuman Society | Scoop.it

A researcher in the Netherlands wants to show the world — including potential donors — that in-vitro meat is a reality.


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