<story><title>Battery-Free Cell Phone</title><url>http://www.techradar.com/news/this-phone-needs-no-battery</url></story><parent_chain></parent_chain><comment><author>make3</author><text>Related, this spying microphone bug first used by the Soviets in the 50s that has no battery or electricity wire and can keep listening &amp;quot;forever&amp;quot;, which was discovered by accident in a &amp;quot;gift&amp;quot; eagle sculpture given to the US ambassador, after years of staying in that embassador&amp;#x27;s office, listening &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;en.m.wikipedia.org&amp;#x2F;wiki&amp;#x2F;The_Thing_(listening_device&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;en.m.wikipedia.org&amp;#x2F;wiki&amp;#x2F;The_Thing_(listening_device&lt;/a&gt;</text></comment>
<story><title>Battery-Free Cell Phone</title><url>http://www.techradar.com/news/this-phone-needs-no-battery</url></story><parent_chain></parent_chain><comment><author>IncRnd</author><text>There were earlier discussions on this.&lt;p&gt;&amp;gt; &lt;i&gt;Right now the battery-free phone needs a custom base station to transmit and receive calls. But the team says there&amp;#x27;s no reason why the technology couldn&amp;#x27;t be integrated into standard mobile network infrastructure.&lt;/i&gt;&lt;p&gt;This could only be called a cell phone, if the cell phone network changes to accommodate this radio.  It&amp;#x27;s not a cell phone, because it doesn&amp;#x27;t work with cellular phone towers.</text></comment>