Image 3 of 3 from U2 in first ever 3D concert beamed live to a cinema near you

U2 on stage

Everyone is probably aware of the early attempts at 3D on the cinema screen using the flimsy cardboard goggles with the red and blue plastic lenses for each eye. This, while being a valid execution of the stereoscopic principle that is necessary to create the illusion of three-dimensional perspective, was in practice a monochromatic, uncomfortable and generally disappointing viewing experience. But the technology is now being dragged into the 21st century as Irish supergroup U2 follow film-maker James Cameron’s lead in embracing state-of-the-art digital 3D technology, with plans for a concert to be filmed live in 3D and then streamed in real time to digital cinemas around the world.