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LSST Sensors Pass Vision Tests

Morgan May and Yuki Okura

Brookhaven physicist Morgan May and Yuki Okura, a postdoctoral fellow from Japan's RIKEN laboratory stationed at the RIKEN-Brookhaven Research Center, holding Large Synoptic Survey Telescope (LSST) sensor components.

When you’re building a massive telescope designed to detect subtle shapes in the light emitted by distant galaxies, you’d like to know that the shapes you are seeing are accurate and not the result of defects in your telescope’s sensors. Fortunately sensors for the camera of the Large Synoptic Survey Telescope (LSST), expected to see “first light” from atop a mountain in Chile in 2020, just received very promising vision test results from physicists at Brookhaven Lab.

The LSST, originally known as the Dark Matter Telescope, will detect the distribution of dark matter throughout the cosmos. The telescope won’t see dark matter directly, but will detect its gravitational interaction with visible forms of matter, namely galaxies.

The LSST will look at billions of background galaxies and use gravitational lensing to map where the dark matter concentrations are and how much dark matter there is. By looking at galaxies at varying distances from Earth, the LSST collaboration will be able to explore how the distribution of dark matter (and the sprinkling of visible matter) has changed over time.

To learn more visit:

2015-5721  |  INT/EXT  |  Media & Communications Office

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Sulfur Polymer Material Poised for Commercialization

SulfCrete equipment testing

Preparing to load materials for pilot-scale SulfCrete equipment testing.

Long Island start-up company SulfCrete, Inc. has been exploring commercialization of sulfur polymer, a unique and affordable construction material developed at Brookhaven Lab that has a very small carbon footprint compared to the existing concrete products it might one day replace.

Production of concrete, a ubiquitous construction material, is one of the biggest contributors to our world’s carbon footprint. Between the energy needed to heat limestone – one of concrete’s key ingredients – and the carbon dioxide released when producing cement, concrete production is estimated to be responsible for five to ten percent of all greenhouse gases released to the atmosphere.

SulfCrete, Inc. has licensed the technology from Brookhaven Lab, and its product, which uses sulfur polymer to replace cement, will be more than 90 percent “greener” than existing concrete. Unlike conventional cement, which requires the addition of water and a chemical hydration reaction to set and cure over time, sulfur polymer is melted, mixed with aggregate, and cures to 90 percent full strength within hours after cooling to ambient temperatures.

To learn more about this exciting technology visit:

2015-5722  |  INT/EXT  |  Media & Communications Office

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Honoring Those Who Make Science Happen at BNL

Congratulations to the 17-member Brookhaven Lab team that received a Secretary's Honor Award for Achievement from Energy Secretary Ernest Moniz last week. The team successfully completed two superconducting magnets that are now at CERN as backups for the Large Hadron Collider (LHC) – and the project was done on time and under budget with increased scope. Peter Wanderer, head of the Superconducting Magnet Division, led this project and the team included Michael Anerella, John Cozzolino, Walter Czekaj, John Escallier, Arup Ghosh, Ramesh Gupta, Henry Hocker, Piyush Joshi, Paul Kovach, Andrew Marone, Joseph Muratore, Steven Plate, Ronald Prwivo, and Jesse Schmalzle from the Lab; DOE Brookhaven Site Office Federal Project Director Robert Caradonna; and DOE Office of High Energy Physics Federal Project Manager Bruce Strauss. 

Jing Tao

Physicist Jing Tao with one of Brookhaven's transmission electron microscopes.

Congratulations also to Brookhaven Lab physicist Jing Tao, from the Condensed Matter Physics and Materials Science Department, who was one of 44 scientists selected by DOE's Office of Science to receive significant funding for research as part of DOE's Early Career Research Program. Jing will receive $2.5 million over five years for her work exploring the subtle interactions among a particle’s or system's quantum properties, such as its spin, charge and orbital degrees of freedom. She and her colleagues will carry out this research using Brookhaven Lab's ultrafast electron diffraction instrument to excite custom-designed, complex materials and then probe them with an intense beam of electrons.

Sergey Belomestnykh

Sergey Belomestnykh.

On May 7, Sergey Belomestnykh received the Particle Accelerator Science and Technology Award from the Institute of Electrical and Electronics Engineers Nuclear Plasma Sciences Society. Sergey works in the Collider-Accelerator Department, leading the Superconducting Radio Frequency Group. The group develops components that use radio waves to push particles close to the speed of light in accelerators, including the Relativistic Heavy Ion Collider and LHC, as well as a possible future electron-ion collider.

2015-5723  |  INT/EXT  |  Media & Communications Office

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  • June 10 – Noon Recital. The Daedalus Quartet will perform. Berkner Hall Auditorium. 
  • June 11 – Community Advisory Council meeting. 6:30 p.m., Berkner Hall, Room B.
  • June 24 – Noon Recital. Pianofest-I. The Hampton’s Pianofest workshop spans a two-month period. Director Paul Schenly will present music and performers from the first session. Berkner Hall Auditorium.

*The events above are free and open to the public. Visitors 16 and older must bring a photo ID for access to Brookhaven Lab events.

2015-5724  |  INT/EXT  |  Media & Communications Office