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Duane Sharrock

A Working Assault Rifle Made With a 3-D Printer | Popular Science - 0 views

www.popsci.com/...assault-rifle-made-3-d-printer

3-D printing guns HaveBlue 3-D design Thingiverse Makerbot

shared by Duane Sharrock on 30 Aug 12 - No Cached
  • HaveBlue has also been testing the "marketplace" for 3-D printing weapons. To do this he asked Thingiverse, the 3-D design sharing site run by Makerbot Industries, whether it was permissible to post weapons designs or not. According to HaveBlue, Makerbot's senior leadership decided to not disallow, but to discourage, the posting of weapons designs. Haveblue then posted a design for an AR-15 part on Thingiverse, but in the intensive legal discussion that followed Haveblue's posting, Thingiverse decided to ban weapons designs outright. However, since Haveblue's design is still on the site, it's unclear whether Thingiverse is enforcing a ban or not.
  • Duane Sharrock on 30 Aug 12
     
    An amateur gunsmith, operating under the handle of "HaveBlue" (incidentally, "Have Blue" is the codename that was used for the prototype stealth fighter that became the Lockheed F-117), announced recently in online forums that he had successfully printed a serviceable .22 caliber pistol. Despite predictions of disaster, the pistol worked. It successfully fired 200 rounds in testing.
thinkahol *

Why Do Intel's 3-D Transistors Matter? -- InformationWeek - 0 views

www.informationweek.com/...229402837

Why Do Intel's 3-D Transistors Matter? -- InformationWeek

shared by thinkahol * on 05 May 11 - No Cached
  • thinkahol * on 05 May 11
     
    The chipmaker's new transistor design leapfrogs competitors for now; here's how it works and why all computer chips will eventually use the technology.
thinkahol *

Toward optical computing in handheld electronics: Graphene optical modulators could lea... - 0 views

www.sciencedaily.com/...110508134927.htm

Toward optical computing in handheld electronics: Graphene modulators could lead to ultrafast communications

shared by thinkahol * on 09 May 11 - No Cached
  • thinkahol * on 09 May 11
     
    Graphene-based modulators could soon allow consumers to stream full-length, high-definition, 3-D movies onto a smartphone in a matter of seconds, the researchers said.
Duane Sharrock

Tissue engineering: Growing new organs, and more - MIT News Office - 0 views

www.mit.edu/...ering-growing-organs-1214.html

tissue engineering growing mit office scaffolding Sangeeta Bhatia regeneration replacement organ skin stem cells

shared by Duane Sharrock on 21 Dec 12 - No Cached
  • This kind of disease modeling could have a great impact in the near term, says MIT professor Sangeeta Bhatia, who is developing liver tissue to study hepatitis C and malaria infection.
  • liver is difficult to grow outside the human body because cells tend to lose their function when they lose contact with neighboring cells. “
  • In a large-scale project recently funded by the Defense Advanced Research Projects Administration, several MIT faculty members are working on a “human-on-a-chip” system that scientists could use to study up to 10 human tissue types at a time.
  • ...6 more annotations...
  • Biological and Mechanical Engineering
  • developing regenerative therapies that help promote wound healing.
  • Endothelial cells, normally found lining blood vessels, could help repair damage caused by angioplasty or other surgical interventions; smoke inhalation; and cancer or cardiovascular disease.
  • One of the earliest successes of implantable tissues was the development of artificial skin, which is now commonly used to treat burn victims.
  • Langer is now working on more complex tissues, such as cardiac-tissue scaffolds that include electronic sensors and a synthetic polymer that could restore vocal-cord function in people who have lost their voices through overuse or other types of damage
  • In Bhatia’s lab, where tissue-engineering research is evenly divided between modeling diseases and working toward implantable organs, researchers recently developed 3-D liver tissues that include their own network of blood vessels
  • Duane Sharrock on 21 Dec 12
     
    "MIT News examines research with the potential to reshape medicine and health care through new scientific knowledge, novel treatments and products, better management of medical data, and improvements in health-care delivery. "
  • Duane Sharrock on 21 Dec 12
     
    "MIT News examines research with the potential to reshape medicine and health care through new scientific knowledge, novel treatments and products, better management of medical data, and improvements in health-care delivery. "
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