Cut 2 (3-inch) sections of elastic and loop them, as shown. Sew each loop onto the ends of the bat wings using a straight stitch, and go back and forth a few times to secure it. Image: Merrick ...
A team of scientists has just built the first robot that looks and flies like a bat. They named it, of course, Bat Bot. Bat Bot is nothing short of an engineering marvel. It weighs in at only 3.3 ...