Another day, another strange video experiment. From a recent skywatching venture, I threw together what will officially be the second in a line of audiovisual experiments using either creative commons or public domain imagery combined with audio frequencies designed to throw off the senses. This latest piece is designed to produce an unsettling sense, as a reaction to aircraft or ufo sightings.

Here are 5 simple free desktop wallpapers featuring abstract art, created using photos from the Public Domain (PublicDomainPictures.net).