Page 50 - 2003 DT 12 Issues
P. 50

Re - Inventiveness                   ○ inventor of the world’s smallest self-con-  ○  enhanced autonomous swarms of robots
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                                           ○  ○  tained autonomous robots.         to mimic the complex social clustering be-
         mproving upon nature is a common  ○  ○  Fascinated with the process of inven-  ○ haviors of bee societies.  McLurkin says,
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         quest of scientists and inventors alike.  ○ tion since early childhood and heavily  ○ “My goal is the simulation of a natural sys-
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      IYet merely reproducing the          ○ influenced by his parents love of nature,  ○ ○  tem at high enough fidelity that I can take
      sophistication of natural systems contin-  ○ ○  McLurkin developed a keen interest in ex-  ○ ○  the robots around and help biologists un-
      ues to elude most.                   ○ ○  ploring and learning from the principles  ○ derstand what’s going on in real systems.”
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         One such system is the product of a  ○ of nature. “Understanding nature is the key  ○  While creating a robot swarm as so-
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      creature both ubiquitous and virtually in-  ○ to unlocking the secrets of intelligence,”  ○ phisticated as a real ant colony or beehive
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      destructible. Able to thrive in the  ○ ○  McLurkin said. For his undergraduate the-  ○ ○  is unlikely very soon, McLurkin-inspired
      dry heat of Southwestern deserts, the  ○ ○  sis project at MIT in 1994, he chose to  ○ ○  engineers now dream of creating swarms
      wooded glens of northern New England,  ○ simulate the behavior of an ant colony, cre-  ○ of tiny machines to go where no human
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      or the tropical rainforests of South  ○ ating 12 “ant robots” measuring about an  ○ can—the ocean’s deepest reaches, under
      America, it can as easily wallow in salt-  ○ inch per side. While working on the  ○ ○  the red soils of Mars, the ooze of a toxic
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      water habitats of the Florida Keys,  ○ ○  project, McLurkin kept an ant farm in his  ○ ○  spill, even (eventually) the human blood-
      navigate city environments, or colonize  ○  laboratory.                     ○ stream.
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                                                                                  ○   One day, these self-organizing avatars
      the glacial expanses of the Arctic Circle.  ○                               ○
      It will dine on plants, animals, insects,  ○ ○                              ○ ○  will learn how to reproduce, talk to others
      nuts, oils, sugars, or even its fellows.  ○ ○                               ○ ○  of their kind, evolve to suit many environ-
         Learning from its own mistakes and  ○ ○                                  ○ ments, defend against enemies, and
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      from kin, it is deft in negotiating any en-  ○                              ○ single-mindedly pursue their own social
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      vironment. A stalwart soldier and superb  ○                                 ○ imperatives, sort of like . . . well—ants.
      weight lifter, it is highly social and uses a  ○ ○                          ○ ○
      complex communication system. By dint  ○                                    ○
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                                                                                  ○  Science Project
      of its numbers, it is almost extinction-  ○                                 ○
                                           ○                                      ○ Volunteers Needed
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      proof, even resistant to hard radiation, and  ○
      in some cases, industrial pollution.  ○ ○                                   ○ ○
         You needn’t look very far to find it  ○ ○                                ○ ○   riends members are invited to help
      either. It’s probably staging a seasonal as-  ○                             ○     us monitor our public lands. We are
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      sault on your garden, if not your larder,  ○  The robots, each powered by a tiny  ○  Fmodeling our monitoring program
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      right now.                           ○  internal computer and three tiny motors,  ○  after The GLOBE Program, an interna-
         In 1990, Harvard biologist Edward O.  ○ ○  used their “feelers” and other sensors to  ○ tional environmental science and
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      Wilson and collegue Bert Holldobler pub-  ○ go around obstacles and move toward  education program that uses data collected
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      lished the defining work on this paragon  ○ light. Ultimately, he programmed the ro-  ○ locally from scientific studies around the
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      and its family (Formicidae) titled, the Ants.  ○  botic ants into a “swarm” in which they  ○ world. Funding for those studies comes
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      In his introduction, Wilson criticized the  ○  responded to their environment, hunted  ○  from organizations such as NASA and the
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      scientific community for giving little at-  ○ for and consumed food, communicated  ○  National Science Foundation.
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      tention to the critical role ants play in the  ○ with each other, and even played tag.  In  ○ ○  Training for data collection will be
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      natural world: “. . . not one biologist in a  ○  practical terms, a future “army” of robot  ○ held on July 15 - 16, 7 a.m. - noon at the
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      hundred can describe the life cycle of any  ○  “ants” would have a higher success rate  ○ Visitor Center, and again in the fall. Data
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      species. The neglect of ants in science and  ○ in performing a task than a single machine.  ○  collection can begin as soon as we have
      natural history is a shortcoming that  ○ They could get the job done even if half  ○ ○  volunteers. You can collect data concern-
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      should be remedied, for they represent the  ○ or more were destroyed.      ○ ing the atmosphere, hydrology and
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      culmination of insect evolution, in the  ○  But the robots can provide insight into  ○ phenology within the Conservation Area.
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      same sense that human beings represent  ○  nature as well. Soon, it may be easier for  ○  Additional computer security training will
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      the summit of vertebrate evolution.”  ○ biologists to extend their knowledge of  ○  also be required for data entry.
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         But if biologists have been slow to  ○ social insects. As part of his doctoral re-  ○  This is an exciting chance to help Red
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      recognize the superiority of ants, engineer-  search at MIT, the young innovator and  ○  Rock Canyon and contribute to a global
      ing scientists have not. Enter James  winner of the 2003 Lemelson-MIT      ○ ○  understanding of our natural world.  If you
      McLurkin, a 30 year old MIT graduate and  Student Prize, is programming his vastly  ○ have questions or would like to sign up
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