<http://webisa.webdatacommons.org/122458885>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/89272764>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122458885> .
<http://webisa.webdatacommons.org/122458885>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<blogspot.com> .
<http://webisa.webdatacommons.org/prov/117287078>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122458885> .
<http://webisa.webdatacommons.org/122458885>	<http://www.w3.org/ns/prov#value>	"Basically if the speed of light can not change for different observers moving at different speeds, some other things, such as length and time, must change." .