Blackbody radiation from a warm object attracts polarizable objects
Our physical attraction to hot bodies is real, according to UC Berkeley physicists.
Quantum Physics
Dec 08, 2017
2
373
News tagged with optical tweezers
Acoustic tweezers manipulate cell-to-cell contact
Sound waves can precisely position groups of cells for study without the danger of changing or damaging the cells, according to a team of Penn State researchers who are using surface acoustic waves to manipulate cell spacing ...
General Physics
Dec 22, 2014
0
1
Researchers build acoustic tractor beam
(Phys.org) —A team of researchers with members from the U.K., Scotland and the U.S. has built a functioning acoustic tractor beam in a lab—one that is able to pull objects of centimeter size. In their paper published ...
Integrated optical vortices on a chip (w/ Video)
An international research group led by scientists from the University of Bristol and the Universities of Glasgow (UK) and Sun Yat-sen and Fudan in China, have demonstrated integrated arrays of emitters of so call 'optical ...
Quantum Physics
Oct 18, 2012
4
0
Physicists devise means for observing single atom interference over coherence length
(Phys.org)—Researchers at Sandia National Laboratories in Albuquerque, New Mexico have succeeded in observing the interference of a single atom over a distance far greater than its coherence length using lasers and sequences ...
Scientists isolate, hold, photograph individual Rubidium 85 atom
(PhysOrg.com) -- In a major physics breakthrough, University of Otago scientists have developed a technique to consistently isolate and capture a fast-moving neutral atom - and have also seen and photographed this atom for ...
General Physics
Oct 01, 2010
26
0
Physicists prove Einstein wrong with observation of instantaneous velocity in Brownian particles
A century after Albert Einstein said we would never be able to observe the instantaneous velocity of tiny particles as they randomly shake and shimmy, so called Brownian motion, physicist Mark Raizen and his group have done ...
General Physics
May 20, 2010
22
0
Micro-ear lets scientists eavesdrop on the micro-world
(PhysOrg.com) -- Acting as a microscope for sound, a new device called a micro-ear could make objects on the micro-scale audible. The device could enable scientists to listen to the sounds that cells and bacteria make as ...
Small optical force can budge nanoscale objects
(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.
Nanophysics
Nov 17, 2009
0
0
Tailoring the optical dipole force for use on molecules
(PhysOrg.com) -- "Scientists have been working with dipole fields for quite some time," Peter Barker tells PhysOrg.com. "However, most of the work is focused on very small particles, like atoms, or on larger particles, such ...
