<http://webisa.webdatacommons.org/443643023>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<utexas.edu> .
<http://webisa.webdatacommons.org/443643023>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/306557857>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/443643023> .
<http://webisa.webdatacommons.org/443643023>	<http://www.w3.org/ns/prov#value>	"Theories are okay but can anyone point to NASA or other source that actually measured light???s (laser???s) pressure ON A MIRROR?" .