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Igloos – built by the Inuit, igloos were constructed for many centuries as a form of protection and shelter to house people from the harsh Arctic weather. While the temperature outside an igloo may have been −45 °C (−49 °F), the temperature within an igloo was stable ranging from −7 to 16 °C (19 to 61 °F) when warmed by body heat.
2nd century BC: Hipparchos discovers the apsidal precession of the Moon's orbit. [62] 2nd century BC: Hipparchos discovers Axial precession. 2nd century BC: Hipparchos measures the sizes of and distances to the Moon and Sun. [63] 190 BC: Magic squares appear in China. The theory of magic squares can be considered the first example of a vector ...
Open House Day 2014 at European Southern Observatory [1]. An open house (also known as open day, at-home day, or parents night) is an event held at an institution where its doors are open to the family of students to allow people to look around the institution and learn about it.
Robert K. Merton defined such "multiples" as instances in which similar discoveries are made by scientists working independently of each other. [1] "Sometimes", writes Merton, "the discoveries are simultaneous or almost so; sometimes a scientist will make a new discovery which, unknown to him, somebody else has made years before." [2]
IMAX format. Archie (search engine) – the first internet search engine, invented by Alan Emtage at McGill University around 1988. [18]Film colorization – invented by Wilson Markle in 1983.
The extent of the Indus Valley Civilisation. This list of inventions and discoveries of the Indus Valley Civilisation lists the technological and civilisational achievements of the Indus Valley Civilisation, an ancient civilisation which flourished in the Bronze Age around the general region of the Indus River and Ghaggar-Hakra River in what is today Pakistan and northwestern India.
English inventions and discoveries are objects, processes or techniques invented, innovated or discovered, partially or entirely, in England by a person from England. Often, things discovered for the first time are also called inventions and in many cases, there is no clear line between the two. Nonetheless, science and technology in England ...
Discovery of a new and distinct variety of the Zingiberacae family, by Errol McGhie. [88] [89] The creation of a "sophisticated" mathematical cost capability trade-off model for HMS Queen Elizabeth, by Nira Chamberlain. [90] [91] [92] Invention of a method of long multiplication, used in some UK schools, by Nira Chamberlain. [93] [94]