Applied Physics

Check Source Program

CHECK SOURCE OPERATING PROCEDURE Prior to performing a radiation survey using the survey meter, the RHSO must first ensure that the instrument is functioning properly. The RHSO must perform an operational check using the check source (Strontium-90) that i ...

Blog Post - Dayan Loria - Aug 19 2009 - 9:32pm

Lesson from the past: Radiation Therapy Overexposure

Glasgow ra d iotherapy accid ent, 2006 Treatment Date: January 5-31, 2006 Location: Glasgow, Scotland, United Kingdom Type of ev ent: Radiation Therapy Overexposure Description: ...

Blog Post - Dayan Loria - Aug 20 2009 - 4:36am

Prostate Cancer Imaging and Radiation Treatment Modalities

The first reported used of x-ray therapy to treat prostate cancer, which claimed to have an excellent result is done by Imbert and Imbert in 1904. The investigation of x-ray radiation for patient therapy continued until it is adapted into clinical routine ...

Blog Post - Dayan Loria - Sep 22 2009 - 7:08pm

Want To Make Your Own Black Hole? This May Be How

Would you like to make your own black hole before the LHC supposedly dooms us all (though it has to stop breaking first before it can unleash  physics-induced Eschaton)?   Dartmouth researchers say they may be able to do it. Writing in Physical Review Lett ...

Article - News Staff - Aug 22 2009 - 1:28pm

LDR Brachytherapy Verification Spreadsheet

IPL Cs-137 dose point verification using excel spreadsheet. Download here ...

Blog Post - Dayan Loria - Aug 27 2009 - 1:40am

For Quality Fusion Surfing, Try Riding The Solar Wind

Researchers at the University of Warwick have found what could be the signal of ideal wave 'surfing' conditions for individual particles within the massive turbulent ocean of the solar wind, a discovery that could give a new insight into just how ...

Article - News Staff - Sep 1 2009 - 9:24pm

Wave Field Synthesis Gives Us Flat Loudspeakers With Big Cabinet Sound

Flat-panel televisions are nothing new.   I think even my father has one in his toolshed by now.  But legitimate flat-panel loudspeakers are harder to come by.     There are single-speaker surround sound systems, and those are admirable, but speakers, unli ...

Article - Hank Campbell - Sep 8 2010 - 6:56pm

Linearity Test Spreadsheet for the dose calibrators in Nuclear Medicine

Download it here ...

Blog Post - Dayan Loria - Sep 9 2009 - 11:15pm

Ferromagnetism In An Atomic Gas

Scientists have observed ferromagnetism in an atomic gas for the first time, addressing the decades-old question of whether gases could show properties similar to a magnet made of iron or nickel. A team observed the ferromagnetic behavior in a gas of lithi ...

Article - News Staff - Sep 17 2009 - 7:00pm

Building Better Roads Using Acoustics

Highways and roads cost money but it's never a bad idea to save some cost and inconvenience using optimal design and materials which leads to fewer repairs.   Unfortunately there haven't been any great methods for determining how strongly (and sa ...

Article - News Staff - Sep 23 2009 - 8:57am