You will probably have a hard time believing this cardboard T-Rex isn't moving its head while it appears it's constantly tracking and looking back at you.
If you were ever wondering how the heck do they create those continuous patterns, then wonder no more and check this neat Photoshop tutorial that might teach you a new designing trick or two.
Yes you read it right. Students of Duke University came up with a ground breaking way to charge mobile phone or any other devices by harvesting energy from wireless Internet waves.