Solar panel breakthrough could almost double the efficiency of today's panels

Solar panels have become much more efficient since their infancy, but research breakthroughs show there's still plenty of room for improvement.

Solar panels have become much more efficient since their infancy, but research breakthroughs show there&#39;s still plenty of room for improvement.<p><img src="https://www.engadget.com/img/gallery/solar-panel-breakthrough-could-almost-double-the-efficiency-of-todays-panels/intro-1793766160.jpg" /></p>