Just place a hot object (a mug of cocoa) on the red side or a cold object (iced coffee) on the blue, then plug in your phone.

ENGADGET

With red and white light, the shadow of the object appears in the complementary color -- cyan -- and the shadows change as your angle of vision changes.

CNN: What the brain draws from: Art and neuroscience

The object of Deltacloud is to open up competition and choice in the cloud market, just as Red Hat Linux did in the hardware market, eliminating the switching cost of investing in a new stack of proprietary offerings and allowing cloud users to invest the savings into conducting application development that truly differentiates them.

FORBES: RedHat CEO Whitehurst: Don't Be Tricked into Cloud-based Lock-in