Adjustable focus glasses made, as reported in news@nature and ScienceNOW 3 April 2006. Scientists at the University of Arizona, Tucson, have developed a liquid crystal lens that increases its magnifying power when a small electric current is applied to it. The lens could be used by people who currently need reading glasses or bifocal lenses […]
Tag: bio-engineering
Geckos’ Toes Come and Go
Geckos’ toes come and go, according to reports in ScienceDaily 28 June 2012 and PLoS ONE DOI: 10.1371/journal.pone.0039429, 27 June 2012. Geckos are tropical and subtropical lizards that can walk on vertical and overhanging surfaces using toe-pads that grip the surface with millions of microscopic bristles called setae. This enables them to climb trees and […]