The birds inflate normally invisible yellow-orange air sacs on the sides of their necks and their long ornamental feathers, called pinnae, stand up on their heads, drastically changing their normally drab look.
Unbeknownst to most people, many new color laser printers secretly print all-but-invisible yellow dots on documents, which can then be decoded to identify when and where the documents were printed.
Judged on looks alone, cochinito Chiapaneco (pork ribs, Chiapan-style) could be a dish at any Mexican restaurant: meat hunkered in a sea of thick, brown sauce, the border between sauce and black beans invisible, the yellow-tinged rice riddled with peas and carrot cubes.
Instead of an actual face, we are looking at the inner, invisible eyes and yellow skin of the stressed and screaming self.
But he had some reservations, because they also made yellow light invisible.
Although the resulting light show may have been invisible to human eyes, yellow filters enabled the team to see and film previously hidden colors.
"Invisible Forces" involved a big yellow apparatus called the Whizzing Gizmo, comprising an open wheel at one end and a triangular cage at the other, the whole thing turning like a Ferris wheel, on a central axle.
Bouncy betties are not invisible - a very small yellow dot can be seen on the ground (for this reason, try to hide bouncy betties right around corners or wherever enemies aren't likely to look as they pass by).
Fair enough, but I can't quite see how to work this out without painting dotted white lines and solid yellow lines onto those invisible dirt pathways out at the bend.
The scene that features Scully applying a yellow powder to the invisible body of Anson Stokes made use of various digital techniques.
That's why you shouldn't wear them for driving, because "yellow lights will become nearly invisible".
