About: http://webisa.webdatacommons.org/423966114

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	Regular light bulbs flicker 120 times per second (60 Hz), which causes stress to the body, mind and especially the eyes.
http://www.w3.org/ns/prov#wasQuotedFrom	colourenergy.com