Experimental demonstration of an interparticle (dipole-dipole or perhaps multipole-multipole) interactions in dielectrophoresis-based parallel planar micromanipulations. The colinear microelectrodes should in theory induce just forces perpendiular to the electrodes (vertical in the video) but the particle-particle interactions seem to dominate and introduce another directionality to the forces.
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<bdo lang="en" dir="ltr"><a href="//commons.wikimedia.org/wiki/Commons:YouTube_files" title="Commons:YouTube files">YouTube</a>: <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=1DyslAGI1eo"><bdi lang="">Particle-particle interactions in a dielectrophoresis</bdi></a> – View/save archived versions on <a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://www.youtube.com/watch?v=1DyslAGI1eo">archive.org</a> and <a rel="nofollow" class="external text" href="https://archive.today/https://www.youtube.com/watch?v=1DyslAGI1eo">archive.today</a></bdo>