News tagged with direct observation

First direct observation of oriented attachment in nanocrystal growth

Berkeley Lab researchers have reported the first direct observation of nanoparticles undergoing oriented attachment, the critical step in biomineralization and the growth of nanocrystals. A better understanding ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Simulations unravel mysteries of 2009 Jupiter impact

(PhysOrg.com) -- During July of 1994, both amateur and professional astronomers were captivated as comet Shoemaker/Levy 9 broke apart and slammed into the atmosphere of Jupiter. While these types of impacts ...

Space & Earth / Space Exploration

created Mar 30, 2012 | popularity 4.4 / 5 (14) | comments 0 | with audio podcast report

Physicists demonstrate quantum plasmons in atomic-scale nanoparticles

Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...

Nanotechnology / Nanophysics

created Mar 21, 2012 | popularity 4.5 / 5 (17) | comments 0 | with audio podcast

Monitoring the transformation of silver nanowires into gold nanotubes with in situ transmission X-ray microscopy

(PhysOrg.com) -- A technique for real-time monitoring of the galvanic replacement reaction between silver nanowires and aqueous gold salt solutions using in situ flow-cell transmission X-ray microscopy (TXM) ...

Nanotechnology / Nanophysics

created Dec 21, 2011 | popularity 2 / 5 (1) | comments 0

HK physicists prove single photons do not exceed the speed of light

(PhysOrg.com) -- Hong Kong physicists say they have proved that a single photon obeys Einstein's theory that nothing can travel faster than the speed of light -- demonstrating that outside science fiction, ...

Physics / General Physics

created Jul 24, 2011 | popularity 5 / 5 (15) | comments 56 | with audio podcast

Quantum paradox directly observed -- a milestone in quantum mechanics

In quantum mechanics, a vanguard of physics where science often merges into philosophy, much of our understanding is based on conjecture and probabilities, but a group of researchers in Japan has moved one ...

Physics / General Physics

created Mar 04, 2009 | popularity 4 / 5 (37) | comments 13