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	<title>biometric security &#8211; BIOENGINEER.ORG</title>
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		<title>Ultrasound Metasurface Authenticates Fingerprints Without Ever Storing Them</title>
		<link>https://bioengineer.org/ultrasound-metasurface-authenticates-fingerprints-without-ever-storing-them/</link>
		
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		<pubDate>Sat, 17 Oct 2026 16:22:33 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[acoustic waves]]></category>
		<category><![CDATA[authentication technology]]></category>
		<category><![CDATA[biometric security]]></category>
		<category><![CDATA[data privacy]]></category>
		<category><![CDATA[diffractive neural network]]></category>
		<category><![CDATA[fingerprint authentication]]></category>
		<category><![CDATA[metasurface]]></category>
		<category><![CDATA[Nature Sensors]]></category>
		<category><![CDATA[physical computation]]></category>
		<category><![CDATA[POSTECH]]></category>
		<category><![CDATA[ultrasound]]></category>
		<category><![CDATA[wave manipulation]]></category>
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					<description><![CDATA[POSTECH researchers have developed an ultrasonic metasurface system that authenticates fingerprints through physical wave computation, achieving up to 99.75 percent accuracy without storing any biometric data.]]></description>
		
		
		
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