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10.1073/pnas.1507413112 http://scihub22266oqcxt.onion/10.1073/pnas.1507413112 C4664354!4664354 !26561580     free     free     free Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26561580 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Proc+Natl+Acad+Sci+U+S+A 2015 ; 112 (47 ): 14495-500 Nephropedia Template TP {{tp|p=26561580 |t=2015. Topological mechanics of gyroscopic metamaterials |pdf=|usr=}}{{26561580 }} gab.com Text Topological mechanics of gyroscopic metamaterials JO: Proc Natl Acad Sci U S A http://www.kidney.de/pget.php?&tw=1&pmid=26561580 #FOAvip Topological mechanical metamaterials are artificial structures whose unusual properties are protected very much like their electronic and optical counterparts. Here, we present an experimental and theoretical study of an active metamaterial--composed of coupled gyroscopes on a lattice--that breaks time-reversal symmetry. The vibrational spectrum displays a sonic gap populated by topologically protected edge modes that propagate in only one direction and are unaffected by disorder. We present a mathematical model that explains how the edge mode chirality can be switched via controlled distortions of the underlying lattice. This effect allows the direction of the edge current to be determined on demand. We demonstrate this functionality in experiment and envision applications of these edge modes to the design of one-way acoustic waveguides. Twit Text FOAVip Topological mechanics of gyroscopic metamaterials ????Proc Natl Acad Sci U S A http://www.kidney.de/pget.php?&tw=1&pmid=26561580 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26561580 #FOAvip English Wikipedia <ref>{{Cite pmid|26561580 }}</ref> Topological mechanics of gyroscopic metamaterials #MMPMID26561580 Nash LM ; Kleckner D ; Read A ; Vitelli V ; Turner AM ; Irvine WT Proc Natl Acad Sci U S A 2015[Nov]; 112 (47 ): 14495-500 PMID26561580 show ga Topological mechanical metamaterials are artificial structures whose unusual properties are protected very much like their electronic and optical counterparts. Here, we present an experimental and theoretical study of an active metamaterial--composed of coupled gyroscopes on a lattice--that breaks time-reversal symmetry. The vibrational spectrum displays a sonic gap populated by topologically protected edge modes that propagate in only one direction and are unaffected by disorder. We present a mathematical model that explains how the edge mode chirality can be switched via controlled distortions of the underlying lattice. This effect allows the direction of the edge current to be determined on demand. We demonstrate this functionality in experiment and envision applications of these edge modes to the design of one-way acoustic waveguides. äTopological mechanics of gyroscopic metamaterials (epmc).pdf DeepDyve Pubget Overpricing