As an object, the Constitution has more in common with the Dead Sea Scrolls than with what we now think of as writing: pixels floating on a screen, words suspended in a digital cloud, bubbles of text.
In Delhi, another actor, Akshay Kumar, known for his daredevil and comic acts on screen, found himself suspended from a cable midway through the act, and had to be unclipped and let down.
The microcapsules can be suspended in a carrier medium, so that they can be screen-printed on to surfaces including glass, plastic, fabric and even paper.