Well, you'll need a shot of laser blasted at your eye. Just a little shot, really. But first, it's worth understanding how we see regular colors in the first place. Humans have two types of cells ...

The green laser beam thus behaves like an object, blocking the blue light and casting a dark line across the screen. That dark line meets all the criteria for a shadow: it was visible by eye ...

Yet, the discovery of a shadow cast by a laser ... green beam to alter the crystal’s optical properties, increasing its absorption of the blue light. As a result, a shadow formed on a screen ...

A movie screen ... The laser beam is just one color -- the same hue as a green laser pointer -- but by activating a combination of S, M and L cone cells, it can trick the eye into seeing images ...

A 9-year-old boy in Greece permanently injured his left eye when he repeatedly gazed into a laser pointer’s green beam, doctors say. Examination revealed a large hole in the macula, a small area ...

It's called 'olo.' The boy "reported playing with a green laser pointer and repeatedly gazing into the laser beam," the report said. ['Eye' Can't Look: 9 Eyeball Injuries That Will Make You Squirm ...

In the last 20 years, green lasers have shrunk ... stick them right in their eyes. And that would be bad." So before you let your cat chase a laser pointer beam across the floor, the authors ...

March 7, 2012— -- A Massachusetts father is facing criminal charges for allegedly pointing a laser beam into the eyes of the opposing ... noticed a green laser beam on the goalie's helmet.

It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can ... on a screen that was visible as a dark area where the green laser blocked ...