Home > General Scientists are creating drones that fly in sync with each other Scientists are creating drones that fly in sync with each other Categories:General Bob Bruhin Bob Bruhin is a web developer, tour guide, art photographer, author, blogger, and graphic designer. His love of urban landscapes, especially in post-industrial Philadelphia, PA, leads him to document some of the darker corners of his city. Share Share on Twitter Share on LINE Share on Facebook Save to Pocket Related Posts General General General General General General New Post has been publisned on Tenders of the Earth Temple: Book… Prev Post New Post has been publisned on Tenders of the Earth… Next Post Next Post