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Interesting article at Business Insider on why we don't like LED bulbs:
There's a handy trick for reading station signs that otherwise fly past in a blur as you travel in a high-speed train. Look at one side of the window and then immediately at the other side of the window. When you change your gaze, your eyes will automatically make a rapid jerking movement, known as a saccade. If the direction of the saccade is the same as that of the train, your eyes will freeze the image for a split second, long enough to read the station name if you time things right.
Saccades are very fast movements of the eyes. Their exact speed depends on the size of the movement, but large saccades can move the eyes at the same rate as a high-speed train. The image of the station name becomes visible because it is travelling at the same speed as the eye, and the images before and after the saccade are blurred and so don't interfere with the image of the sign. This shows us that our vision is still working when our eyes move rapidly during saccades.
Scientists used to think we could see no more than about 90 flashes of light a second but now we know it's more like 2,000 because the eyes move so rapidly when we change gaze from one point to another. During the eye movement, the flicker of light creates a pattern that we can see. And this has some surprising consequences for our health thanks to the way some types of lighting can affect us. In particular, it could discourage people from using more energy-saving LED lightbulbs.
Most lighting is electric and powered by an alternating current supply, which makes the bulbs continually dim and then brighten again at a very fast rate. Unlike filament lamps and to a lesser extent fluorescent lamps, LEDs don't just dim but effectively turn on and off completely (unless the current is maintained in some way).
The answer is not to make them less piercing?
(Score: 2) by zocalo on Saturday July 29 2017, @02:42PM
No, bangers & mash isn't a joke. It's a traditional UK dish of the working classes - e.g. cheap, filling, quick to prepare, reasonably tasty, and not especially healthy - consisting of mashed potato served with sausages, colloquially referred to as "bangers", fried until the skin has split (I assume the use of "banger" to refer to a sausage comes from the popping noise they make when the skin splits as they are being fried). It's normally prepared with sausages flavoured with added herbs such as as a Cumberland sausage, and served with gravy and fried onions. Additional veg. may also be included; most typically peas or beans. Condiments are typically salt, pepper and HP sauce, although some heathens with have it with ketchup. Incidentally, if you want to pep up the mashed potato, add some chopped chives into the mix; sometimes referred to as "Champ" - CHives And Mashed Potato. It's not a dish that's going to look particularly appealing under brightly coloured LED lighting.
UNIX? They're not even circumcised! Savages!