<http://webisa.webdatacommons.org/237861393>	<http://www.w3.org/ns/prov#value>	"Dec. 19, 2013 ??? Researchers have demonstrated a micro-sized robotic torsional muscle/motor made from vanadium dioxide that for its size is a thousand times more powerful than a human muscle, able to catapult objects ... full story" .
<http://webisa.webdatacommons.org/prov/171998448>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/237861393> .
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<http://webisa.webdatacommons.org/237861393>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sciencedaily.com> .