With what pinball aficionados pay for the machines they so lovingly restore, it’s hard to imagine that these devices were once built to a price point. They had to make money, and whatever it … ...

Before LEDs and lasers came along, video projectors would shine white light through a rotating color wheel to produce full-color images. But researchers. Skip to content Gizmodo. Search .

In the past, video projectors produced color images through shining white light from a rotating color wheel. That all changed when LEDs and lasers were invented. Researchers at Dartmouth College ...

Digital Light Processing ... To get color, such as for a TV set, a rotating color wheel (with red, green and blue filters) is put between the white light source and the DMD.

The days when the only pool illumination you could expect was from an 8-inch dome light in the deep end are long gone. Today, high-tech lighting options can create an amazing light show in and arou… ...

Digital color theory can be a tricky concept to wrap one’s mind around – particularly if you don’t have experience with digital art. The RGB color model is about as straightforward as ...

“It was marvelous,” says Jordan, 38, of Forest Hill. “It came with a rotating color wheel that changed the hue of the tree. I was fascinated by it. ...