News tagged with particle size

It's the fineness of the grind

The properties of nanomaterials could be easier to predict in future. Scientists from the Max Planck Institute for Intelligent Systems in Stuttgart have ground metal into continuously finer powders in steps ...

Jul 23, 2013
5 / 5 (7) 0 | with audio podcast

Red moon at night; stargazer's delight

Monday night's lunar eclipse proved just as delightful as expected to those able to view it. On the East Coast, cloudy skies may have gotten in the way, but at the National Science Foundation's National Optical ...

Apr 16, 2014
5 / 5 (6) 1

Watching nanoparticles grow

(Phys.org) —Individual silver nanoparticles in solutions typically grow through single atom attachment, but importantly, when they reach a certain size they can link with other particles, according to scientists ...

Feb 05, 2014
4 / 5 (5) 0 | with audio podcast

Unexpected ice-formation mechanism

(PhysOrg.com) -- Extremely hydrophobic materials cause water to roll right off objects that have been coated with them. Up to now, it was assumed that aircraft or wind turbines coated in such a way did not ...

Jan 18, 2012
3.5 / 5 (4) 2 | with audio podcast

Smoke particles are not all the 'SAME'

(PhysOrg.com) -- Where there's smoke, you need a functioning smoke detector that can tell the difference between, say, smoke particles and dust. Yet in the microgravity environment of the International Space ...

Jan 05, 2012
5 / 5 (2) 0

Titanium dioxide nanoreactor

Tiny particles of titanium dioxide are found as key ingredients in wall paints, sunscreens, and toothpaste; they act as reflectors of light or as abrasives. However with decreasing particle size and a corresponding ...

Feb 21, 2013
5 / 5 (2) 0