see paul run
What if it were possible, he thought, to make a pair of glasses which, instead of requiring an optician, could be “tuned” by the wearer to correct his or her own vision? Might it be possible to bring affordable spectacles to millions who would never otherwise have them?
The wearer adjusts a dial on the syringe to add or reduce amount of fluid in the membrane, thus changing the power of the lens.
in Britain there is one optometrist for every 4,500 people, in sub-Saharan Africa the ratio is 1:1,000,000.
“The reaction is universal,” says Major Kevin White, formerly of the US military’s humanitarian programme, who organised the distribution of thousands of pairs around the world after discovering Silver’s glasses on Google. “People put them on, and smile. They all say, ‘Look, I can read those tiny little letters.’”
http://www.guardian.co.uk/society/2008/dec/22/diy-adjustable-glasses-josh-silverjessica livingston, that is, and she is
The many sliders of Photoshop CS4
Preferences > Memory Usage
Adjustments > Brightness/Contrast
Filters
Blur (note the rendering of the thumb arrow)
Layer Blending
Layer Style
Threshold
Color BalanceThings to keep in mind:
- These can be found in just Photoshop; I can’t imagine what I’d find elsewhere in the suite. Actually, fine, here’s the first one I found in Illustrator CS5:
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- The most common out of all these seems to be second one, Brightness Adjustment.
- They’re all ugly. The only near-acceptable one is the Layer Style slider.
- None of these looks like the standard OS X slider:









