science Archives - Oak Ridge Today

ORNL technologies receive six R&D 100 Awards

Posted at 11:19 am November 21, 2018
By Oak Ridge Today Staff Leave a Comment

Using the Atomic Forge, Oak Ridge National Laboratory researchers brought two, three, and four silicon atoms together to build clusters (green) and make them rotate within a layer of graphene (blue). (Image courtesy ORNL)

By Shelby Whitehead and Sean Simoneau

Researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory have received six R&D 100 Awards in recognition of their significant advancements in science and technology, a press release said. The honorees were recognized over the weekend at the 56th annual R&D 100 Conference, which is sponsored by R&D Magazine.

The awards, known as the “Oscars of Invention,” honor research and development pioneers and their revolutionary breakthroughs in materials science, biomedicine, consumer products, and more from academia, industry, and government-sponsored research agencies, the press release said. This year’s six honors bring ORNL’s total of R&D 100 awards to 216 since their inception in 1963.

ORNL researchers were recognized for the following innovations: [Read more…]

ORNL: World’s smallest neutrino detector finds big physics fingerprint

Posted at 9:37 am August 8, 2017
By Oak Ridge National Laboratory Leave a Comment

From left, Professor Yuri Efremenko of the University of Tennessee in Knoxville and Jason Newby of Oak Ridge National Laboratory are among 80 participants in COHERENT, a large, collaborative, particle physics experiment to record neutrinos at the Spallation Neutron Source. Photomultiplier tubes look like giant light bulbs and are used to detect light from neutrino interactions in detectors. COHERENT’s cesium iodide detector, the first to espy neutrinos at the SNS, employs a five-inch (13-centimeter) wide photomultiplier tube. An eight-inch (20-centimeter) wide photomultiplier (shown here) is deployed in COHERENT’s nearby liquid-argon detector. Measurements from different types of detectors are necessary for comprehensive studies of neutrinos at SNS. The scientists are standing in front of the cesium-iodide-detector shielding. (Image credit: Oak Ridge National Laboratory, U.S. Department of Energy; photographer Genevieve Martin)

By Dawn Levy/ORNL

After more than a year of operation at Oak Ridge National Laboratory, the COHERENT experiment, using the world’s smallest neutrino detector, has found a big fingerprint of the elusive, electrically neutral particles that interact only weakly with matter.

The research, performed at ORNL’s Spallation Neutron Source and published in the journal Science, provides compelling evidence for a neutrino interaction process predicted by theorists 43 years ago but never seen.

“The one-of-a-kind particle physics experiment at Oak Ridge National Laboratory was the first to measure coherent scattering of low-energy neutrinos off nuclei,” said ORNL physicist Jason Newby, technical coordinator and one of 11 ORNL participants in COHERENT, a collaboration of 80 researchers from 19 institutions and four nations.

The SNS produces neutrons for scientific research and also generates a high flux of neutrinos as a byproduct. Placing the detector at SNS a mere 65 feet (20 meters) from the neutrino source vastly improved the chances of interactions and allowed the researchers to decrease the detector’s weight to just 32 pounds (14.5 kilograms). In comparison, most neutrino detectors weigh thousands of tons: although they are continuously exposed to solar, terrestrial, and atmospheric neutrinos, they need to be massive because the interaction odds are more than 100 times lower than at SNS.

The scientists are the first to detect and characterize coherent elastic scattering of neutrinos off nuclei. This long-sought confirmation, predicted in the particle physics Standard Model, measures the process with enough precision to establish constraints on alternative theoretical models. [Read more…]

Oak Ridge Schools first in state to earn AdvancED STEM certification for all elementary, middle schools

Posted at 10:22 am July 10, 2017
By Holly Cross Leave a Comment

Students at Jefferson Middle School collaboratively plan problem-based learning (PBL). (Submitted photo)

Oak Ridge Schools is the first district in the state to earn AdvancED STEM certification for all of its elementary and middle schools, a press release said.

AdvancED uses a research-based framework and criteria for the awareness, continuous improvement, and assessment of the quality, rigor, and substance of STEM educational programs, the press release said. STEM is an acronym for science, technology, engineering, and mathematics.

In the spring of 2016, three Oak Ridge elementary schools earned AdvancED STEM certification: Glenwood, Linden, and Woodland. These schools were the first in the district to demonstrate the capacity to prepare students for STEM fields of study and work, the press release said.

In the spring of 2017, three more schools in Oak Ridge received this distinction: Willow Brook Elementary, Jefferson Middle, and Robertsville Middle.

“Our district is the first in the state to certify every elementary and middle school in the district,” the press release said. “We are committed to preparing our learners for the careers of tomorrow by perpetuating their enthusiasm for STEM disciplines today. Our focus on STEM demonstrates our continued commitment to ensure every Oak Ridge student is prepared for college, career, and life success.” [Read more…]

New House Appropriations chair visits ORNL, Y-12

Posted at 10:40 am February 27, 2017
By Oak Ridge Today Staff Leave a Comment

The new chair of the U.S. House Appropriations Committee visited Oak Ridge on Thursday. U.S. Representative Rodney Frelinghuysen, a New Jersey Republican, toured Oak Ridge National Laboratory and Y-12 National Security Complex. The visit was hosted by U.S. Rep. Chuck Fleischmann, a Tennessee Republican. (Submitted photo)

The new chair of the U.S. House Appropriations Committee visited Oak Ridge on Thursday. During his visit, U.S. Representative Rodney Frelinghuysen, a New Jersey Republican, toured Oak Ridge National Laboratory and Y-12 National Security Complex.

The visit was hosted by Congressman Chuck Fleischmann, a Tennessee Republican whose district includes Oak Ridge.

The House Republican Conference approved Frelinghuysen as the new chair of the critical House Appropriations Committee, which funds the federal missions at Oak Ridge, late last year. Hal Rogers, a Kentucky Republican, was the former chair. [Read more…]

Tennessee Science on the Map: Fastest improving state on the Nation’s Report Card

Posted at 12:54 pm December 11, 2016
By Holly Cross Leave a Comment

By Cathy Ginel

Have you ever run on a treadmill until you are out of breath? Have you ever gotten to a comfortable point and then pushed that speed up just a little more to give yourself a better workout? Tennessee science teachers are on the treadmill, have pushed themselves, are seeing results, and are gearing themselves up for more.

The Nation’s Report Card was recently released showing that Tennessee students grew faster than the national average in science. Tennessee is now ranked the fastest improving in the nation in science and has moved into the top 25 states in science. Tennessee has eliminated the achievement gap between male and female students and has narrowed the achievement gap between white, Hispanic, and black students in science. This encouraging news provided us with needed results and evidence that education changes in Tennessee are having a positive outcome with our students. Teachers are seeing results of their additional work and are pushing for even higher scores in the future. [Read more…]

Astronomy club meeting Wednesday features ORNL engineer, citizen science, radio astronomy

Posted at 6:15 pm November 13, 2016
By Jennifer Hartwig Leave a Comment

Bogdan Vacaliuc

The Wednesday meeting of ORION, an amateur science and astronomy club based in Oak Ridge, will feature Bogdan Vacaliuc of Oak Ridge National Laboratory and a discussion of citizen science and radio astronomy.

The meeting starts at 7 p.m. Wednesday, November 16, at the historic Grove Theater at 123 Randolph Road in Oak Ridge.

ORION was founded in April 1974 by a group of scientists at the United States Department of Energy facility in Oak Ridge. Its purpose is to promote learning and inquiry throughout the cities of Oak Ridge and Knoxville, and the counties of Anderson, Knox, and Roane, a press release said.

The group meets monthly at the Grove Theater at 7 p.m. on the third Wednesday of each month, starting with coffee and conversation with the program beginning 15 minutes thereafter. For directions, please visit the website at www.orioninc.org. Programs are free and open to the public. [Read more…]

New ORNL tool probes for genes linked to toxic methyl mercury, could help Y-12 cleanup

Posted at 7:43 pm July 24, 2016
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ORNL Andrew King Mercury Methylation Genes

Andrew King loads a gel with amplified gene fragments to detect the presence of mercury methylation genes in samples from East Fork Poplar Creek in Oak Ridge. (Photo by ORNL)

Environmental scientists can more efficiently detect genes required to convert mercury in the environment into more toxic methylmercury with molecular probes developed by researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory. The research could help the cleanup work at the Y-12 National Security Complex.

“We now have a quick and easy-to-use tool that we can employ in any environment to test for the presence of microorganisms capable of methylating mercury and determine how abundant they are,” said ORNL’s Geoff Christensen, a post-doc and lead author of a paper published in Applied and Environmental Microbiology.

In 2013, ORNL researchers reported in Science on the discovery of two genes known to transform inorganic mercury into its highly toxic organic form. Development of the newly validated probes further advances research to protect human health, a press release said.

For this study, researchers tested the probes against 31 strains of microorganisms for which they know the ones that produce methylmercury and scored a 94 percent confirmation rate, the press release said. This validation procedure is critical to the next step of moving the probes into the field to help determine the amount of methylmercury likely to be generated in any given environment. [Read more…]

UT assistant professor to talk about chemical oceanography on July 20

Posted at 5:50 pm July 17, 2016
By Jennifer Hartwig Leave a Comment

Drew Steen

An assistant professor of environmental geology at the University of Tennessee will talk about chemical oceanography in Oak Ridge on Wednesday.

The title of the presentation by Drew Steen, of the UT Department of Earth and Planetary Sciences, is “Heterotrophic Organisms in the Deep Marine Sediments” or “What to Do When You’re Hungry but You’re 100,000 Years Late for Dinner.”

The Wednesday talk starts at 7 p.m. July 20. It’s hosted by the ORION astronomy club. [Read more…]

Learn about gravitational waves at ORION astronomy lecture

Posted at 11:30 am May 15, 2016
By Jennifer Hartwig Leave a Comment

Michael Guidry

Learn about gravitational waves during an ORION astronomy club meeting on Wednesday.

The meeting will feature Mike Guidry, professor of physics and astronomy at the University of Tennessee and an adjunct staff member with Oak Ridge National Laboratory Physics and Computer Science departments.

On September 14, 2015, the event detectors from the Laser Interferometer Gravitational-wave Observatory, or LIGO, facilities in Washington and Louisiana recorded data that was consistent with the merging of two black holes, a press release said. Together, the recorded data form the event known as GW150914. [Read more…]

ORAU awards $32,000 in education grants to area schools

Posted at 10:33 pm September 11, 2015
By Oak Ridge Today Staff Leave a Comment

Clinton City Schools and ORAU Education Grants 2015

Clinton City Schools education grant winners are pictured above. (Photo courtesy ORAU)

ORAU awarded 28 teachers from nine East Tennessee schools more than $32,000 in grant money during the 14th annual ORAU Education Grants ceremony.

The grant money will be used to purchase educational materials and equipment—such as Chromebooks, microscopes, meteorology kits, and more—to help teachers continue to meet rigorous, state-wide curriculum standards, and enhance the learning experience of their students, a press release said.

Since beginning this program in 2002, ORAU has provided more than $410,000 to area schools for projects that complement its mission of enriching science, technology, engineering, and mathematics, or STEM, programs.

“ORAU is honored to support our community by helping our schools secure the tools they need to capture and maintain students’ attention on these critical subjects,” ORAU President and Chief Executive Officer Andy Page said. “These educators continue to show an impressive dedication to teaching, and we welcome the opportunity to show them how much we appreciate their dedication and hard work.” [Read more…]

Students, teachers explore next generation of learning after ORAU Extreme Classroom Makeover

Posted at 11:50 am August 6, 2015
By Oak Ridge Associated Universities Leave a Comment

ORAU Extreme Classroom Makeover at Brown Intermediate School

Charlie Arp’s students at Brown Intermediate School in Sweetwater experiment with stop motion videography on iPads. (Photo courtesy ORAU)

SWEETWATER—Students, parents, and teachers were given a glimpse of the next generation in classrooms during the Wednesday, August 5, reveal of Charlie Arp’s recently outfitted classroom full of state-of the-art technology. Arp, a teacher at Brown Intermediate School in Sweetwater, Tennessee, was the winner of this year’s $25,000 grant from ORAU’s Extreme Classroom Makeover competition.

The math and science teacher spent the summer selecting and installing his new technology, taking continuing education courses at ORAU’s Center for Science Education, and preparing for his new class of rising students. His arsenal of learning technology, and knowledge of how to use these tools, was on showcase during the reveal.

In its seventh year, ORAU’s grant program highlights and supports educators who use technology in the classroom to inspire more students to pursue math and science-based careers.

“We realize at ORAU the importance of maintaining students’ interest in and cultivating a passion for STEM (science, technology, engineering and math) subjects,” said ORAU President Andy Page. “By empowering teachers like Charlie Arp, the Extreme Classroom Makeover helps to demonstrate the countless number of possibilities technology can bring to both educators and students.” [Read more…]

ORHS teacher a state finalist for presidential teaching excellence award

Posted at 1:46 pm July 22, 2015
By Oak Ridge Today Staff Leave a Comment

Mary Elaine Vaughan

Oak Ridge High School math teacher Elaine Vaughan has been named a Tennessee state finalist for the Presidential Awards for Excellence in Mathematics and Science Teaching, or PAEMST.

The PAEMST are the nation’s highest honors for teachers of mathematics and science, a press release said. Awardees serve as models for their colleagues, inspiration to their communities, and leaders in the improvement of mathematics and science education.

Vaughan is one of five finalists in mathematics for the 2015 PAEMST in Tennessee. Awardees will receive a certificate signed by President Barack Obama, a trip to Washington, D.C., to attend a series of recognition events and professional development opportunities, and a $10,000 award from the National Science Foundation. [Read more…]