1960s introductions

oro-nasal cover worn by health professionals to reduce spread of airborne pathogens

type of art

thumb|upright=1.3|''John's Diner with John's Chevelle'', 2007. John Baeder, oil on canvas, 30×48 inches

field of historical study. Not to be confused with universal history (genre)

aircraft instrumentation system consisting primarily of multi-function electronic displays

popular method of modern tunnel design and construction

Theory of the three divisions of the brain as developed by Paul D. MacLean

explanation of human behaviour in terms of genetic and cultural evolution

Ichimoku trading Strategy

art in which the process of creating it becomes the subject matter

type of music festival

efforts and accomplishments of feminists internationally to produce art that reflects women's lives and experiences

artistic theme

thumb|Maltese Falcon (yacht)|Maltese Falcon masts The DynaRig is a conceptualization of a square-rigged form of rigging, designed in the 1960s by the German engineer Wilhelm Prölß. While having the appearance of the rigging of a 19th-century clipper ship, it was not actually implemented on a sailing vessel until several decades after its design because of a lack of adequate construction materials. It was fitted to one of the world's largest yachts, the Maltese Falcon. When the original patent rights and residual technology were purchased from the German government by an American investor in 20