On March 15, 1813 John Snow was born here, the eldest of William and Frances Snow’s nine children. William Snow earned his living as a labourer in a local coal-yard which serviced the numerous barges ...
Gold trapper: Scanning electron microscope image of Au 3+ extraction and reduction by graphene oxide/chitosan sponge; Au 3+ is shown in yellow. (Courtesy: Kou Yang) A new type of composite material is ...
Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan ...