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CU-Boulder team develops swarm of pingpong ball-sized robots
Dec 14th
Correll and his computer science research team, including research associate Dustin Reishus and professional research assistant Nick Farrow, have developed a basic robotic building block, which he hopes to reproduce in large quantities to develop increasingly complex systems.
Recently the team created a swarm of 20 robots, each the size of a pingpong ball, which they call “droplets.” When the droplets swarm together, Correll said, they form a “liquid that thinks.”
To accelerate the pace of innovation, he has created a lab where students can explore and develop new applications of robotics with basic, inexpensive tools.
Similar to the fictional “nanomorphs” depicted in the “Terminator” films, large swarms of intelligent robotic devices could be used for a range of tasks. Swarms of robots could be unleashed to contain an oil spill or to self-assemble into a piece of hardware after being launched separately into space, Correll said.
Correll plans to use the droplets to demonstrate self-assembly and swarm-intelligent behaviors such as pattern recognition, sensor-based motion and adaptive shape change. These behaviors could then be transferred to large swarms for water- or air-based tasks.
Correll hopes to create a design methodology for aggregating the droplets into more complex behaviors such as assembling parts of a large space telescope or an aircraft.
In the fall, Correll received the National Science Foundation’s Faculty Early Career Development award known as “CAREER.” In addition, he has received support from NSF’s Early Concept Grants for Exploratory Research program, as well as NASA and the U.S. Air Force.
He also is continuing work on robotic garden technology he developed at the Massachusetts Institute of Technology in 2009. Correll has been working with Joseph Tanner in CU-Boulder’s aerospace engineering sciences department to further develop the technology, involving autonomous sensors and robots that can tend gardens, in conjunction with a model of a long-term space habitat being built by students.
Correll says there is virtually no limit to what might be created through distributed intelligence systems.
“Every living organism is made from a swarm of collaborating cells,” he said. “Perhaps some day, our swarms will colonize space where they will assemble habitats and lush gardens for future space explorers.”
For a short video of Correll’s team developing swarm droplets visit http://www.colorado.edu/news/multimedia/researchers-creating-team-tiny-robots. For more information about CU-Boulder’s computer science department visit http://www.colorado.edu/engineering/academics/degree/computer-science.
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Boulder County budget released
Dec 13th
The county’s mill levy and general operating budget to remain flat for 2013
Boulder County, Colo. – The Boulder County Commissioners have adopted a budget of $319.6 million for 2013, down from $321.7 million in 2012.
The 2013 budget represents a nearly flat comparison to the one adopted in 2012, based largely on the fact that the county is in its second year of a biannual property reappraisal cycle. With property values assessed only every other year, the second year in the cycle rarely reflects much of a change in the property tax portion of the county’s projected revenue stream.
The real difference in the budget this year is reflected through a reduction in carryover funds from the year prior and the annual adjustment of revenues in funds other than the General Fund (such as the Road & Bridge Fund and Capital Expenditure Fund) which fluctuate year-to-year based on their designated purpose and funding sources.
In keeping with a flat budget, the County Commissioners have worked hard to bring expenses in line with revenues for 2013, all the while continuing to support programs popular with county residents.
As in past years, the careful and deliberate process of evaluating program requests by elected offices and departments in a public forum has led to sound fiscal decisions that allow the county to function at a high level and continue to provide excellent service to county residents with essentially no increase to the General Fund.
“The 2013 budget is a culmination of more than six months of productive discussion and input from our non-profit leaders, elected officials and department heads who work closely every day with members of the public to figure out how best to meet the needs our community,” said Cindy Domenico, Chair of the Board of County Commissioners. “We are pleased to adopt this fully balanced budget which serves as a guiding document for carrying out the values of our residents.”
Commissioner Deb Gardner said she was pleased to adopt a budget that “balances the long and short term needs of the county and works within a sustainable context to make sure that the county will stay on track for years to come in responding to the priorities set forth by the residents of Boulder County.”
Commissioner Will Toor remarked on the complexity of the county budget and praised the efforts of county leaders and staff for continuing to implement and expand on highly-desired programs for residents, even within a fiscally-constrained framework.
“Whether we look at the strong support for our non-profit community and our human services safety net programs, or the extension of the popular EnergySmart program,” which faces an end to its federal grant in mid-2013, “or the continued improvement of our county’s transportation network, including all modes of transportation, we’re very pleased with the ability to support incremental expansions of these programs despite the fiscal constraints we’re under,” said Toor.
The County Commissioners thanked staff and everyone from the public who participated in the budget process, acknowledging that the collaborative effort in creating next year’s budget made for a much better document through their efforts.
Commissioners certify mill levy
The Commissioners also today certified a mill levy of 24.645 mills, the same as the last two years, which is projected to generate property tax revenues of $134,612,456 in 2013 (up only slightly from $134,408,021 in 2012). The county’s mill levy amount represents roughly 29 percent of a property owner’s total average property tax bill within Boulder County. Other taxing entities that receive property tax revenues include (from 2012 data): school districts (53%), cities and towns (11%), and “other” fire, water and special districts (7%).
For a copy of the funding package for 2013, visit: www.bouldercounty.org/gov/budget.
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CU : Some good news for doggie lovers
Dec 11th
clinical study to treat canine pain
A University of Colorado Boulder professor and her biomedical spinoff company Xalud Therapeutics Inc. of San Francisco are teaming up with a Front Range veterinarian to conduct a clinical study targeting an effective treatment for dogs suffering from chronic pain.
Distinguished Professor Linda Watkins of CU-Boulder’s psychology and neuroscience department said the study involves treating ailing dogs with a gene therapy using Interleukin-10, or IL-10, a protein and anti-inflammatory that both dogs and humans produce naturally. Watkins is working with veterinarian Robert Landry of Mountain Ridge Animal Hospital and Pain Management Center in Lafayette, who will be treating canine patients suffering from chronic and painful conditions, some of which already are being treated with various other medications with limited success.
Animals perceive and experience several levels of pain that are similar to humans, and chronic pain can be debilitating and also shorten the lives of pets, said Landry, one of only a handful of credentialed American Academy of Pain Management practitioners in Colorado. Landry currently is seeking Denver-Boulder area pet owners who have dogs suffering from chronic pain and who might be interested in participating in the study, which is free.
The new study is driven by research spearheaded by Watkins indicating a type of cell known as glial cells found in the nervous system of mammals plays a key role in pain. Under normal conditions, glial cells act as central nervous system “housekeepers,” cleaning up cellular debris and providing support for neurons, said Watkins. But glial cells also can play a pivotal role in pain enhancement by exciting neurons that both transmit pain signals and release a host of chemical compounds that cause problems like chronic neuropathic pain and other medical issues.
The team will use Xalud’s lead product candidate, XT-101, a gene therapy that harnesses the power of the potent anti-inflammatory IL-10 to normalize glial activity and eliminate neuropathic pain for up to 90 days with a single injection.
The gene therapy based on IL-10 has a number of advantages, including suppressing glial activity in the spinal cord, stimulating tissue regeneration and growth, decreasing the production of pro-inflammatory substances and increasing the production of anti-inflammatory substances, Watkins said. Landry and Watkins also have been working with the American Kennel Club on potential funding for additional clinical studies involving the treatment of chronic pain in dogs, said Watkins.
“We have already tested this new therapy in two pet dogs, and both have had remarkable reversals of their pain for long durations after a single injection of the therapeutic,” she said. “Our early peek at the potential of this therapeutic treatment in dogs shows essentially the same positive effects we have seen in laboratory rats used in our studies that have been treated with the therapy.”
Watkins said demonstrating the efficacy and safety of the new gene therapy in a second species of mammal is important in terms of moving it forward to eventually meet FDA regulations for human clinical trials.
In addition to studying what triggers glial cells to become activated and begin releasing pain-enhancing substances and ways to control chronic pain, Watkins and her research team recently discovered that clinically prescribed opioids also activate glial cells and cause them to release pain-enhancing substances. “Our ultimate goal is to find a means by which clinical pain control can be improved so as to relieve human suffering,” she said.
To contact Landry about possible participation in the study by family dogs suffering chronic pain and that might benefit from the experimental treatment, call the Mountain Ridge Animal Hospital at 303-665-4852.
For more information on CU-Boulder’s psychology and neuroscience department visit http://psych-www.colorado.edu/. For more information on Xalud Therapeutics Inc. visit http://www.xaludthera.com/. For more information on Mountain Ridge Animal Hospital visit http://www.mountainridgevet.com/.
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