NIST logo
NIST Home > Radiation Physics News 
 

Radiation Physics News

(showing 1 - 13 of 13)
Spraying Mosquitoes . . . with Gamma Rays
Release Date: 08/16/2013

A paper cup served as an early irradiation enclosure. PML researchers placed dosimeters at various points in the enclosure and also monitored … more

New NIST Standard Reference Material to Help Calibrate Hospital CAT Scanners
Release Date: 07/23/2013

Scientists at the National Institute of Standards and Technology (NIST) have developed a new standard reference material (SRM), the first such … more

CT Standards Save Time and Money
Release Date: 06/05/2013

Larry Hudson with NIST-fabricated examples of test artifacts called out by the new CT image quality standard for security applications. Click … more

CT calorimetry
Release Date: 12/21/2012

Heather Chen-Mayer at the PET/CT scanner with HDPE phantoms. The large sections are for whole-torso measurements; the small cylinder is one more

EUV beam line moves to PML
Release Date: 10/15/2012

more

Shaking Up Biomolecules with Light
Release Date: 09/28/2012

PML scientist Zeeshan Ahmed lowers a sample into the instrument chamber for analysis. In living organisms, biomolecules such as proteins are … more

New Detector Design Improves Gamma-rays Measurements
Release Date: 04/06/2012

The newly designed ionization chambers, in two sizes.   In the pursuit of precision measurements, nothing is simple, even when the apparatus … more

NIST Physicists Chip Away at Mystery of Antimatter Imbalance
Release Date: 11/08/2011

Why there is stuff in the universe—more properly, why there is an imbalance between matter and antimatter—is one of the long-standing mysteries of … more

Sharpened Focus: Improving the Numbers, Utility of Medical Imaging
Release Date: 04/12/2011

The idea of probing the body's interior with radiation stretches back to experiments with X rays in the 1800s, but more than a century later, … more

Bug-Zapper: A Dose of Radiation May Help Knock Out Malaria
Release Date: 11/08/2007

How are physicists helping an effort to eradicate malaria, the mosquito-borne disease that kills more than one million people every year? … more

Einstein Was Right (Again): Experiments Confirm that E= mc2
Release Date: 12/21/2005

An instrument called GAMS4, originally designed and built at NIST and now located at Institut Laue Langevin in France, was used in experiments … more

Meeting on New Technologies and Radiation Measurements
Release Date: 09/23/2005

The impact of new technologies on radiation measurements and standards will be the focus of the 14th annual conference of the Council on Ionizing … more

Predicting the Lifetime of Extreme UV Optics
Release Date: 07/13/2005

Extreme ultraviolet lithography (EUVL) may be the next-generation patterning technique used to produce smaller and faster microchips with feature … more

Contact
General Information:
301-975-NIST (6478)
inquiries@nist.gov

100 Bureau Drive, Stop 1070
Gaithersburg, MD 20899-1070