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Comment: Not a good comic today (Score 1) 395

by Trogre (#49157651) Attached to: Is That Dress White and Gold Or Blue and Black?

That has to be one of the worst xkcd comics I've seen in a long time. The left picture shows a white and gold dress against a blue backdrop, and the right picture shows a blue and gold dress against a yellow backdrop. In neither picture does the "gold" look remotely like anything that could be called black.

I think a lot of this confusion is coming from the fact that the white balance of the picture is such that the blue fabric looks like evening light scattering off a white surface (a very light blue), so our eyes are interpreting that as the "white" point, and correcting everything else in the picture to match. So we have a way overexposed very dark object made to look like a slightly underexposed light object.

Comment: Re:ut bright lights keep me awake. (Score 1) 254

by Trogre (#49124649) Attached to: The Case Against E-readers -- Why Digital Natives Prefer Reading On Paper

On desktops and laptops I use redshift-gtk. It sits in the background and gradually adjusts the gamma of your screen based on your longitude/latitude and the time of day. There is an icon in the system tray that you can click to manually turn it off to see the difference or if you briefly have a need to see colour-accurate content.

I don't recall what one I have used for Android, though I have used Nightfilter in the past that works well (though manual).

Comment: Re:ut bright lights keep me awake. (Score 4, Informative) 254

by Trogre (#49123535) Attached to: The Case Against E-readers -- Why Digital Natives Prefer Reading On Paper

Anyone reading screens at night should already have an automatic redshifter installed, unless you explicitly need to stay awake for some reason. I use them for all my desktops, laptops and tablets.

The difference on your eyes is, pun intended, night and day.

Comment: Re:Last week ... (Score 1) 290

by Trogre (#49108285) Attached to: How Walking With Smartphones May Have Changed Pedestrian Etiquette

I have seen far too much of that sentiment. That someone with right-of-way is entitled to plough through whatever hazards may be present and consequences be damned. I have sat in a car and actually hear the driver, after taking part in a near-miss event at an intersection, say that it's okay because they would win if it ever went to court.

Little consolation indeed, if you have to go carless for four weeks while it's being panelbeaten back into shape, or six months in hospital.

If this sort of mentality ever finds you, a good counter-principle is this:
You never have the right of way until everyone else gives it to you.

If they can make penicillin out of moldy bread, they can sure make something out of you. -- Muhammad Ali