Blue: the colour of money
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Comments (5)
Barbara Segalla
30 Jun 2024Love your stories .. great research.
Ludwig
01 Jul 2024The colour blue is a fascinating topic!
You also have International Klein Blue, an intense version of ultramarine introduced by Yves Klein, who showed that it was possible to make art using only a single colour.
A more recent scientific quest for the colour blue involved light-emitting diodes (LEDs). The first commercially available LEDs of the 1960’s were red, which made for funky indicator lights and wrist-watch displays but not much else. Yellow and green LEDs followed shortly after but the blue LED remained elusive, as it requires some tricky materials. Finally, in the 1990’s, Japanese researchers perfected their crystal-growing techniques to build commercially viable blue LEDs. They grew layers of semiconductor crystals on a tiny sliver of sapphire, which I find quite fitting.
This ushered in a new era of lighting and display devices, as you could finally produce white light (the most useful kind!). Think of all the LED bulbs in your home, as well as LED TVs, cell phone displays, etc. etc. To crown it all, researchers Nakamura, Amano and Akasaki were awarded the Nobel Prize in Physics ten years ago for their breakthrough.
Always blue! 🙂
Rob
03 Jul 2024The colour blue is a special colour in many respects. It is universally preferable and all the symbolism points to a perfect state of affairs. It certainly occupies a loft position in the colour spectrum. The same can not be said of two diametrically opposite colours: black and white. It is a great pity that, humans the most intelligent of all creatures on earth, chose consciously, to depict themselves in these two colours.
Leon Joffe
04 Jul 2024Most important, it is the colour of Pretoria’s rugby team, whom we worship as royalty when they win
Wesley
11 Jul 2024Lexus has managed to create a blue colour for their cars that is actually not a colour but microscopic reflectors that produce a “blue”. They claim that is how blue butterflies produce their bleu appearance.