Invention process. While some inventions in the arts are patentable, others are not because they cannot fulfill the strict requirements governments have established for granting them. (see patent). Some inventions in art include the: Likewise, Jackson Pollock invented an entirely new form of painting and a new kind of abstraction by dripping, pouring, splashing and splattering paint onto un-stretched canvas lying on the floor. Inventive tools of the artist's trade also produced advances in creativity. Impressionist painting became possible because of newly invented collapsible, resealable metal paint tubes that facilitated spontaneous painting outdoors. Inventions originally created in the form of artwork
The Ghost of a Flea the work is in relatively poor condition, partly due to the technique employed by Blake. Areas of the surface have cracked and dulled with age. Although Blake was singular in his ability to directly transcribe visions onto canvas or paper, a number of visual and literary sources can be detected in this work. The art historian Hope Werness suggested that "The Flea" may be inspired by a 1665 work by early microscopist Robert Hooke (1635–1703), whose "Micrographia" includes a drawing of a flea microscopically observed. Comparisons have been made to Henry Fuseli's monstrous imps, while the image of the flea