Cultural context also plays a role. Colors have different meanings in different cultures. For instance, white indicates purity in many Western cultures, while it's a color of grief in some Eastern ...
These steps are and have always been the routine procedures used for manufacturing gemstones. Beyond traditional cutting and polishing, however, gems can often be treated in ways meant to alter their ...
What is more, the six colors thus combined reproduce those of all nations without exception. The Olympic rings were publicly presented for the first time in 1913. In the centre of a white background, ...
In 2004, physicists reported something remarkable: they had isolated ultrathin films of carbon atoms using sticky tape alone, and found that the films had astounding properties. The finding would ...