About: http://webisa.webdatacommons.org/163879550

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Five years ago, Parviz noted that another challenge was integrating LEDs onto contact lenses, because some are made with toxic materials such as arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom	ieee.org