There is an unlimited number of ways to create amazing looking effects using Photoshop and its filters, let me show you how to create a mysterious looking one from scratch.
Check out this electromechanical exoskeleton made by Japanese manufacturer Sagawa Electronics. The 7 feet tall and 55 pounds light, wearable construction is made of aluminum and carbon fiber.
The good folks at the Delft University of Technology came up with a dragonfly-like winged machine that can fly completely autonomously until the batteries allow.