trial-and-error
101Emotion and memory — For emotional memory in Stanislavski s system of acting, see Affective memory. Psychology Cognitive psychology …
102Science and inventions of Leonardo da Vinci — Infobox Artist name = Leonardo da Vinci imagesize = 200px caption = The Vitruvian Man by Leonardo is possibly the best known drawing in the world. birthname = Leonardo di Ser Piero birthdate = birth date|1452|4|15|mf=y flagicon|ITA Anchiano,… …
103R and D — Synonyms and related words: control, control experiment, controlled experiment, cut and try, empiricism, experiment, experimental design, experimental method, experimental proof, experimentalism, experimentation, hit and miss, noble experiment,… …
104research and development — Synonyms and related words: R and D, control, control experiment, controlled experiment, cut and try, empiricism, experiment, experimental design, experimental method, experimental proof, experimentalism, experimentation, hit and miss, noble… …
105Speeds and feeds — A line drawing showing some basic concepts of speeds and feeds in the context of lathe work. The angular velocity of the workpiece (rev/min) is called the spindle speed by machinists. Its tangential linear equivalent at the tool cutter interface… …
106Early European population statistics and censuses — In the last part of the 20th century, population censuses became a global phenomenon. More than 90% of the present world population is counted. Despite remaining issues of statistical confidentiality, census samples of individuals and households… …
107Fencing practice and techniques — of modern competitive fencing are governed by the FIE, though they developed from conventions developed in 18th and 19th century Europe to govern fencing as a martial art and a gentlemanly pursuit. The modern weapons for sport fencing are the… …
108Physiological and molecular wheat breeding — Plant Breeding is art and science of improving the heredity of plants for benefit of mankind. In Evolutionary concept, plant breeding is merely a continuation of the natural evolution of the crop species, changing its course of direction in the… …
109research and development — Introduction abbreviation R and D, or R & D, in industry, two intimately related processes by which new products and new forms of old products are brought into being through technological innovation. Introduction and definitions …
110Patient Protection and Affordable Care Act — Full title The Patient Protection and Affordable Care Act. Acronym PPACA Colloquial name(s) Affordable Care Act, Healthcare Insurance Reform, Obamacare, Healthcare Reform Enacted by the …
