Are we entering a Photonic Age?

Back in 2004, I was asked “what’s the 4th state of matter?” – something taught in physics at school – to which I had no answer. Turns out it’s “Plasma” and that it may be the most common state of matter in the universe.

But if there is a 4th state of matter, there may be a 5th phase, too – and – who knows what else? A little over a year ago, a friend sen…