...make many beautiful relaxing animations. Inspired by sound, the first Lissajous patterns were made by reflecting a...to make a dot of light that bounced around following a Lissajous curve. Lissajous 3D trace the...curves using a ribbon, or a tube, and the dot can oscillate in three or more directions,...which takes the patterns into 3D. By varying the frequencies, the material, the lighting, transparency and other...

...Some people think that the panther and leopard - are different animals: panther black,...fact, this same animal, felines, just differently colored. They have a special structure of the larynx, which...allows to issue a roar. The fact that representatives of the genus hypoglossal apparatus...not completely ossified - on-site one of the bones in it is a flexible bundle, allowing...the larynx to swell.