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<http://webisa.webdatacommons.org/prov/53573274>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/337616698> .
<http://webisa.webdatacommons.org/prov/145028573>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/337616698> .
<http://webisa.webdatacommons.org/prov/267551037>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/337616698> .
<http://webisa.webdatacommons.org/337616698>	<http://www.w3.org/ns/prov#value>	"Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems." .