Category: public

Mosses are small plants that can form cushions, mats, or loose patches on soil, rock, bark, and other surfaces. Their modest size makes them easy to pass without notice, yet a close view reveals considerable variety. A patch that appears to be one green texture may contain several forms. Its appearance also changes as the…

Rainbows are optical patterns produced when sunlight interacts with water droplets in the air. Their familiar bands of colour appear when light enters a droplet, changes direction, reflects inside, and emerges again. Different colours follow slightly different paths. The result is not an object hanging at one fixed place, but a pattern seen from a…