<http://webisa.webdatacommons.org/prov/480701370>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/132376466> .
<http://webisa.webdatacommons.org/132376466>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/132376466>	<http://www.w3.org/ns/prov#value>	"Thus, his system is slower than one which uses energy, such as infrared, which travels at the speed of light as opposed to the speed of sound." .
<http://webisa.webdatacommons.org/132376466>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .