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"I prefer working by artificial light."
- Isaac Asimov
 |
| Color Generator | ||
| A variable spectrum light source |
Problems with metamerism provide clues during an investigation in this quote.
| '...There's been no mistake; I took great pains.' Gersen studied the tiles. '...what color light will bring the tiles to the same color as the sketch?'
...Mankinello put the tiles under a color generator. 'Presumably you're interested in standard incandesence?' 'Standard star-light. I presume that's close to the same thing.' 'Somewhat different due to the stellar atmospheres. But I can easily code for the stellar progression. Let's start with about 4,000 degrees.' He turned a wheel, flicked a switch, checked with a comparator. 'Close' He turned the wheel. 'There it is. 4,350 degrees.' He glanced through a port. 'See for yourself.' Gersen peered through the opening. The tiles were now identical to the colors of the sketch. 'Color temperature, 4,350 degrees: Class K?' 'I'll tell you exactly.' Mankinello consulted a reference. 'Class G8.' |
| Technovelgy from The Killing Machine,
by Jack Vance. Published by Fantastic Fiction (?) in 1964 Additional resources -
|
The letters refer to stellar spectral types - O B A F G K M R N S.
Thanks to R. Probert for contributing this item.
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'What is your population', I asked. 'About eighty millions.'
'THE autobus turned silently down the wide street of Hydropole. Robot-guided, insulated from noise and cold...'
'The car had no steering wheel, and no one drove!'
Now that's power walking that Hugo Gernsback would have approved.
'It was disturbing to think of the Flatline as a construct...'
'...he rewired the delivery robot so that it would serve him midnight snacks.'
'On went the electric-yacht faster and still faster.'
'...the huge vessel had spun, with a sickening lurch, through a complete half-circle, the instant the power was reversed.'
'...he realized that it was not quite a clear lens. Speckles of colored brightness swirled and gathered in it.'
'...a universal cryptogram — yet it is one which can be interpreted by any intelligent creature on any planet in the Solar System!'
