News tagged with optical probes

Laser makes microscopes way cooler

(Phys.org) —Laser physicists have found a way to make atomic-force microscope probes 20 times more sensitive and capable of detecting forces as small as the weight of an individual virus.

Aug 15, 2014
4.8 / 5 (5) 0

Size matters as nanocrystals go through phases

(Phys.org) —Understanding what happens to a material as it undergoes phase transformations – changes from a solid to a liquid to a gas or a plasma – is of fundamental scientific interest and critical ...

Aug 26, 2013
5 / 5 (2) 0 | with audio podcast

Detecting caesium with naked eyes

Radioactive caesium 137 has a half-life of 30.17 years, and its accumulation in organisms in exposed regions, such as around the Fukushima Daiichi nuclear plant, amplifies the hazard it poses. A new material reported by researchers ...

Mar 05, 2013
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Seeing in color at the nanoscale

If nanoscience were television, we'd be in the 1950s. Although scientists can make and manipulate nanoscale objects with increasingly awesome control, they are limited to black-and-white imagery for examining ...

Dec 06, 2012
5 / 5 (4) 0 | with audio podcast