"Just like in your house when you fill a bathtub full of water and [open] the drain, it will develop a vortex or whirlpool," BJ Parkey, assistant lake manager at Lake Texoma, told Business Insider.

This led him to conceptualize a lens with a unique spiral design that causes light to spin, like water going down a drain. This phenomenon, known as an optical vortex, creates multiple clear focus ...