For fingerprint extraction, there are two basic types of dusting powder that can be used: Regular Powder: Regular powder differs from magnetic powders in the respect that magnetic powders contain iron and they adhere to a magnet.
Some environmental art: 1  Informs and interprets nature and its processes, or educates us about environmental problems. 2  Is concerned with environmental forces and materials, creating artworks affected or powered by wind, water, lightning, even earthquakes.
Features: The Cloud Gate Sculpture, also known as the bean, is one of the highlights of Millennium Park. Designed by the artists Anish Kapoor, the Chicago the Bean sculpture is made of 168 highly polished stainless steel plates - giving the appearance of liquid mercury.