TED Tech

How wireless energy from space could power everything | Ali Hajimiri

<p>Modern life runs on wireless technology. What if the energy powering our devices could also be transmitted without wires? Electrical engineer Ali Hajimiri explains the principles behind wireless energy transfer and shares his far-out vision for launching flexible solar panels into space in order to collect sunlight, convert it to electrical power and then beam it down to Earth. Learn how this technology could power everything -- and light up our world from space.</p>

<p>From the construction of virtual realities to the internet of things—technology is changing our world every day. But how can we make sure that the quickly-evolving role that tech plays in our lives is one that builds, empowers, and connects us? Host Sherrell Dorsey guides you through the latest ideas from TED Speakers, uncovering the riveting questions that sit at the intersection of technology, society, science, design, business, and innovation. Listen in every Friday.</p>