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5. Play-Doh. Who: Kay Zufall, Brian, Joseph McVicker, Bill Rhodenbaugh When: 1956 . How it was created: The gooey toy kids have been playing with for decades began as a household cleaning product ...
However, discoveries and inventions are inextricably related, in that discoveries lead to inventions, and inventions facilitate discoveries; and since the same phenomenon of multiplicity occurs in relation to both discoveries and inventions, this article lists both multiple discoveries and multiple inventions.
The Fisher Space Pen was not commissioned by NASA at a cost of millions of dollars, while the Soviets used pencils. It was independently developed by Paul C. Fisher, founder of the Fisher Pen Company, with $1 million of his own funds. [19] NASA tested and approved the pen for space use, then purchased 400 pens at $6 per pen. [20]
Starting the ’70s, with divorce on the rise, social psychologists got into the mix. Recognizing the apparently opaque character of marital happiness but optimistic about science’s capacity to investigate it, they pioneered a huge array of inventive techniques to study what things seemed to make marriages succeed or fail.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
According to Kaku, technological advances that we take for granted today were declared impossible 150 years ago. William Thomson Kelvin (1824–1907), a mathematical physicist and creator of the Kelvin scale said publicly that “heavier than air” flying machines were impossible: “He thought X-rays were a hoax, and that radio had no future.” [4] Likewise, Ernest Rutherford (1871–1937 ...
320 kya: The trade and long-distance transportation of resources (e.g. obsidian), use of pigments, and possible making of projectile points in Kenya [20] [21] [22] 279 kya: Hafting and early stone-tipped projectile weapons in Ethiopia [23] 200 kya: Simple glue made of one kind of material, birch tar, in Central Italy by Neanderthals. [24]
The term artificial objects is closely associated with made by humans or not naturally occurring items that have been sent into space. This is a list of lists of artificial objects in space found on Wikipedia. Category:Lists of artificial objects sent into space; Category:Lists of space missions; Lists of spacecraft. Category:Lists of spacecraft