The correct answer is (C) Presbyopia. Presbyopia is connected with the ageing of the eye, which progressively diminished, declines or damages the ability to focus clearly on an object close to the eye. Presbyopia can be corrected using bifocals or trifocals glasses or contact lenses. August 31, 2016. US statesman…
Margaret Sanger initiated the research and development of the first birth control pillbirth control pillThe combined oral contraceptive pill (COCP), often referred to as the birth control pill or colloquially as “the pill”, is a type of birth control that is designed to be taken orally by women. It includes…
Cherished by generations of children, Crayola Crayons were invented in 1903 by cousins Edwin Binney and C. Harold Smith, founders of the Binney & Smith Co. of Easton, Pa. The company used paraffin wax and nontoxic pigments to produce a coloring stick that was safe, sturdy and affordable. Updated May…
The theoretical viewpoint that oriented the work of the Institute of Social Research, most famously known as “critical theory,” was largely developed by Horkheimer in various writings in the 1930s (most of which were published in the Institute’s journal, the Zeitschrift für Sozialforschung). History and Overview. Critical theory as it…
The Day of the Dead or Día de Muertos is an ever-evolving holiday that traces its earliest roots to the Aztec people in what is now central Mexico. The Aztecs used skulls to honor the dead a millennium before the Day of the Dead celebrations emerged. A Look at the…
Peter Singer is one of several philosophers who helped popularize effective altruism. The effective altruism subculture — as opposed to the concept of altruism that is effective — originated around LessWrong. The earliest known use of the term was in the form “effectively altruistic” by user “Anand” in a 2003…
In the 18th century, Benjamin Franklin in America tried experiments with charges. It was Franklin who named the two kinds of electricity ’positive’ and ’negative’. He even collected electric charges from thunderstorm clouds through wet string from a kite. F. Du Fay recognized two kinds of electricity, which Benjamin Franklin…
The French chemist and perfumer René-Maurice Gattefossé discovered the effect of essential oils (again) by chance around 1920 and caused a resurgence in aromatherapy. – dipentene/limonene – 90 – alpha-terpineol – 87 – linalool – 82 – 4-terpinenol – 80 – eucalyptol – 79 – gamma-terpinene – 79 – alpha-terpinene…
The origins of fresco painting are unknown, but it was used as early as the Minoan civilization (at Knossos on Crete) and by the ancient Romans (at Pompeii). fresco painting, method of painting water-based pigments on freshly applied plaster, usually on wall surfaces. The colours, which are made by grinding…
This timeline shows the history of how mobile phone games have developed and evolved from its first invention. Tetris appeared as the first mobile game in 1994 aboard the Hagenuk MT-2000, a phone designed and manufactured in Denmark by the Hagenuk corporation. The popularisation of mobile games began as early…