Most of the Polish flags have incorrect colours. According to a law from January 31st, 1980 on emblem, colours and anthem of the Republic of Poland, the Polish flag should be grey-crimson. The act strictly defines both colours of the Polish flag, which should be...
For the human eye the range of electromagnetic waves defined as visible light is approx. 380 to 770 nm, but the most pronounced and recognizable waves range between 520-565 nm, which is the range of the green colour. In these wavelengths we see the most...
In 2016, Pantone 448C or "Opaque Couché" has been named the world’s ugliest colour. After three months of intense research carried out on a group of 1000 respondents it was selected as a means to discourage smokers from buying cigarettes. According to the test, Pantone...
In 1892, during the premiere of "Lady Windermere's Fan", Oscar Wilde ordered one of the actresses to decorate herself with a green carnation. Some of Wilde's supporters did the same and from that point on, the environment centred around the playwright has been associated with...
A significant proportion of humanity is convinced that the moon has a powerful effect on our psyche. One of the scientific papers published in North America indicates that 40% of society recognizes the influence of the moon on the mind. This indicator among mental health...
The Klüver-Barrera method involves staining of neural tissue (myelin and other glial cells) in neuroanatomical and neurological studies. To stain these tissues methyl blue and cresyl violet are used as a dye. Does the ease of combining methyl blue with neural tissue has something to...
What was the colour of earth a few hundred million years ago? Scientists at the Australian National University in Canberra detected traces of fossil chlorophyll, thus beating the record for the oldest organic pigment sample by 600 million years. The compounds discovered by scientists come from...
In September 2014 British artist Anish Kapoor announced that he added Vantablack, the darkest black ever created, to the set of colours he used. This black is so black that it absorbs 99.96% of visible light, rendering any solid covered by it as a flat...
The colonization of Mars no longer seems to be an abstract vision of the future. For a long time now NASA scientists have been conducting a research on how to enable human life on a planet other than Earth. It turns out that the technology...
It’s night time, you are in a club, the music plays loud, you enter the toilet in need. Suddenly you are dazzled with bright, fluorescent blue light that makes your visit to this place a rather unpleasant experience. The blue, almost ultraviolet colour not only...