In effect, the gas constant puts a fixed figure on the energy that can be held in kinetic form for a given amount of atmospheric mass, a given strength of gravitational field and a given level of energy supplied from outside. (newclimatemodel.com)
When Alexander Calder invented the mobile in the early 1930s, he brought a new kinetic form of sculpture to the art world. (hamptonsarthub.com)
• Katarzyna Kobro (1898 - 1951) Considered to be the most outstanding female Polish sculptor of the first half of the 20th century, she is best known for her early Cubist - style nudes and abstract kinetic forms hanging in space. (visual-arts-cork.com)