The LEctenna challenge: make your LEctenna better and get a prize! Here's one way to improve on the basic LEctenna. You might be able to think about other ways to make them better on your own. Send us a photo or short video on social media (#lectenna) or to firstname.lastname@example.org and we’ll send you LEctenna swag! Legal disclaimer: Kids under 13, please ask your parents first. The U.S. Naval Research Laboratory will not use your submissions without your permission. However, we may reshare your social media posts if you choose to send your LEctenna info that way. Quantities are limited.