<http://webisa.webdatacommons.org/208964441>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/208964441>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<researchgate.net> .
<http://webisa.webdatacommons.org/prov/389621053>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208964441> .
<http://webisa.webdatacommons.org/prov/214985680>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208964441> .
<http://webisa.webdatacommons.org/208964441>	<http://www.w3.org/ns/prov#value>	"The laser involves exciting atoms and passing them through a medium such as crystal, gas or liquid." .