<http://webisa.webdatacommons.org/228995644>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/228995644>	<http://www.w3.org/ns/prov#value>	"Making an object invisible to light is the biggest challenge, as opposed to shielding something from radio waves or sound waves." .
<http://webisa.webdatacommons.org/228995644>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<afcea.org> .
<http://webisa.webdatacommons.org/prov/334887196>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228995644> .