The relatively large size of the gecko and its ability to climb a multitude of structures with\nease has often been cited as the inspiration upon which the field of dry adhesives is based.\nSince 2010, there have been many advances in the field of dry adhesives with much of\nthe new research focusing on developing nanoscale and hierarchical features in a concentrated\neffort to develop synthetic gecko-like dry adhesives which are strong, durable,\nand self-cleaning. A brief overview of the geckos and the hairs which it uses to adhere to\nmany different surfaces is provided before delving into the current methods and materials\nused to fabricate synthetic gecko hairs. A summary of the recently published literature on\nbio-inspired, nanostructured dry adhesives is presented with an emphasis being placed on\nfabrication techniques.
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