News tagged with external magnetic fields

Particles magnetically 'click' to form superstructures

(Phys.org) -- Geomag, the popular children's toy, contains small metal spheres that can be magnetically connected with a click to build a variety of towers, bridges, and sculptures. In a new study, scientists ...

Chemistry / Materials Science

created Apr 10, 2012 | popularity 4.9 / 5 (8) | comments 1 | with audio podcast feature

Exotic new matter expected in ultracold atoms

(PhysOrg.com) -- Just as NASA engineers test new rocket designs in computer studies before committing themselves to full prototypes, so physicists will often model matter under various circumstances to see whether something ...

Physics / Quantum Physics

created Feb 29, 2012 | popularity 4.5 / 5 (8) | comments 1 | with audio podcast

Atomtronics: A new phase

Just as NASA engineers test new rocket designs in computer studies before committing themselves to full prototypes, so physicists will often model matter under various circumstances to see whether something ...

Physics / General Physics

created Feb 19, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

New system may one day steer microrobots through blood vessels for disease treatment

Researchers use a magnetic field to generate both side-to-side and corkscrew-like motions of tiny robots.

Physics / General Physics

created Dec 16, 2011 | popularity 5 / 5 (4) | comments 3

New magnetic-field-sensitive alloy could find use in novel micromechanical devices

(PhysOrg.com) -- Led by a group at the University of Maryland (UMd), a multi-institution team of researchers has combined modern materials research and an age-old metallurgy technique to produce an alloy that ...

Physics / Condensed Matter

created Nov 23, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

MESSENGER data paints new picture of Mercury's magnetic field

A University of British Columbia geophysicist is part of a NASA mission that is analyzing the first sets of data being collected by MESSENGER as it orbits Mercury. The spacecraft is capturing new evidence that challenges ...

Space & Earth / Space Exploration

created Sep 30, 2011 | popularity 5 / 5 (3) | comments 5

Cloaking magnetic fields: The first 'antimagnet' device developed

Spanish researchers have designed what they believe to be a new type of magnetic cloak, which shields objects from external magnetic fields, while at the same time preventing any magnetic internal fields from ...

Physics / General Physics

created Sep 23, 2011 | popularity 4.3 / 5 (15) | comments 14 | with audio podcast

Self-assembling electronic nano-components

Magnetic storage media such as hard drives have revolutionized the handling of information: We are used to dealing with huge quantities of magnetically stored data while relying on highly sensitive electronic ...

Nanotechnology / Nanomaterials

created Jun 20, 2011 | popularity 5 / 5 (1) | comments 1

New method for magnetic manipulation of cells

(PhysOrg.com) -- Magnetic technology could help address a major problem that bioengineers face as they try to create new tissue: getting human cells to not only form structures, but to stimulate the growth ...

Nanotechnology / Bio & Medicine

created Apr 06, 2009 | popularity 4.7 / 5 (7) | comments 3

Magnetic nano-'shepherds' organize cells

The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish ...

Nanotechnology / Bio & Medicine

created Mar 31, 2009 | popularity 5 / 5 (1) | comments 0