News tagged with optical measurement

Charge separation in silver clusters

Center for Nanoscale Materials (CNM) users from the Ecole Polytechnique Federale de Lausanne in Switzerland, working with the Argonne National Laboratory's CNM Nanophotonics Group, have demonstrated the existence of long-lived char ...

Aug 09, 2012 5 / 5 (1) 0

Experiment explores optics with iPad

As any other dutiful scientist, Dr. Weilin "Will" Hou, an oceanographer in the Oceanography Division at NRL Stennis Space Center (NRL-SSC), did his research. Earlier last summer, he decided the hottest tablet ...

Apr 09, 2012 not rated yet 0

The tick-tock of the optical clock

(PhysOrg.com) -- UK's National Physical Laboratory time scientists have made an accurate measurement of the highly forbidden octupole transition frequency in an ytterbium ion, which could be used as the basis ...

Mar 29, 2012 3.9 / 5 (11) 3 | with audio podcast

The making of dust

(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the ...

Jul 06, 2011 4.6 / 5 (5) 5 | with audio podcast

Optical water quality assessment

Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon. The study was designed to assess ...

Dec 14, 2010 4.5 / 5 (2) 0

Your vital signs, on camera

You can check a person’s vital signs -- pulse, respiration and blood pressure -- manually or by attaching sensors to the body. But a student in the Harvard-MIT Health Sciences and Technology program is ...

Oct 04, 2010 4.8 / 5 (12) 3 | with audio podcast