Applied Physics

Shape Memory Alloys Get A Design Tool

Is it a magic trick?   A man takes a paper clip and bends it so that it is just a crooked piece of wire, then he throws it into a bowl of hot water and instantly the metal wire returns to the shape of the paper clip. This phenomenon is called the shape mem ...

Article - News Staff - Jul 14 2009 - 11:16am

Nanoscopic Discovery- Salt Stretches!

"It's not supposed to do that"- Sandia principal investigator Jack Houston. Researchers from Sandia National Laboratories and the University of Pittsburgh have found they can make salt, a solid, physically stretch.   "Unlike, say, gold, ...

Article - News Staff - Jul 19 2009 - 12:27pm

Make It A Safe Day With Lasers

Health requires safety. There is a laser hazard that the Food and Drug Administration (FDA) is concerned about: the increased availability in stores and on the Internet of certain types of laser products.  A laser can be unsafe when misused as a toy or di ...

Blog Post - Hatice Cullingford - Jul 22 2009 - 4:11pm

Nanosized Violin String Makes Sweet Physics Music

Researchers at TU Delft have succeeded in measuring the influence of a single electron on a vibrating carbon nanotube.   That can be a real milestone on the road to ultra-small measuring instruments. Researchers in the Kavli Institute for Nanoscience at TU ...

Article - News Staff - Jul 26 2009 - 11:49am

Ultrafast Acoustics: Lasers Trigger Nano-Earthquakes

In America, there is a debate over 'high risk, high reward' independent research versus Big Science- largescale science projects usually being done by taxpayer funded grants to large universities and basic research primarily being done in the pri ...

Article - News Staff - Jul 26 2009 - 2:56pm

Unsurprisingly, Combat Military Vehicles Not Safe Enough

Professor Wei Sha from Queen’s University Belfast’s School of Planning, Architecture and Civil Engineering is concerned with the combat safety of vehicles that use titanium alloys. Obviously the best way to remain safe is to actually not be at war but sinc ...

Article - News Staff - Jul 29 2009 - 6:40pm

Heat Transfer: Planck's Law Demon Gets Pushed Farther Out (A Lot)

Plancks Law is a well-established physical law describes the transfer of heat between two objects. Some physicists have predicted that the law should break down when the objects are very close together but scientists had never been able to confirm, or meas ...

Article - News Staff - Jul 30 2009 - 1:15pm

Scientific Critique of A dwell position verification method for high dose rate brachytherapy

    Liu, L., Prasad, S., Bassano, J.H., Keshler, B., Hahn, S. (2004). A dwell position verification method for high dose rate brachytherapy. Journal of Applied Clinical Medical Physics, Volume 5, Number 1, pages 1-5. ...

Blog Post - Dayan Loria - Aug 2 2009 - 5:28am

Physical Principles Of Positron Emission Tomography And Its Hazard

Positron Emission Tomography (PET) was invented at the Mallinckrodt Institute of Radiology at Washington University in the mid 1970s and was used as a research tool in neurology, cardiology, and oncology (1). It has been developed as a tool for imaging and ...

Article - Dayan Loria - Aug 25 2009 - 6:56pm

Radiation Oncology Facility Radiation Protection/ALARA Program

Sample Radiation Protection and Safety/ALARA Program based on Philippine Perspective Management Commitment Statement from the management. I. Organization and Responsibilities Chair Vice-Chair Board members Personnel      Authorized user      Radiation pro ...

Blog Post - Dayan Loria - Aug 19 2009 - 9:37pm