Template:Are You Sure/April 27: Difference between revisions

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[[File:John Ehrlichman (1969).png|thumb|175px|link=John Ehrlichman (nonfiction)|"The Nixon campaign in 1968, and the Nixon White House after that, had two enemies: the antiwar left and black people. You understand what I’m saying? We knew we couldn’t make it illegal to be either against the war or black, but by getting the public to associate the hippies with marijuana and blacks with heroin, and then criminalizing both heavily, we could disrupt those communities. We could arrest their leaders, raid their homes, break up their meetings, and vilify them night after night on the evening news. Did we know we were lying about the drugs? Of course we did."<br>—'''[[John Ehrlichman (nonfiction)|John Ehrlichman]]''', White House counsel and presidential aide, quoted in "Legalize it all", Harper's Magazine, April 2016.]]
• ... that painter and inventor '''[[Samuel Morse (nonfiction)|Samuel Morse]]''' (1791–1872) met artist and pioneering photographer [[Louis Daguerre (nonfiction)|Louis Daguerre]] in 1839 while visiting Paris, and that Morse become interested in the daguerreotype (the first practical means of photography), writing a letter to the ''New York Observer'' describing the invention; and that [[Mathew Brady (nonfiction)|Mathew Brady]], one of the earliest photographers in American history, famous for his depictions of the American Civil War, studied under Morse and later took photographs of him?


• ... that former White House counsel and Presidential aide '''[[John Ehrlichman (nonfiction)|John D. Ehrlichman]]''' (b. 1925) was released from an Arizona prison on this day in 1978 after serving eighteen months for [[Watergate scandal (nonfiction)|Watergate]]-related crimes?
• ... that mathematician '''[[Paul Gordon (nonfiction)|Paul Gordan]]''' (1837–1912) encouraged fellow mathematician [[David Hilbert (nonfiction)|David Hilbert]] and used Hilbert's results and methods, and the widespread story that Gordon opposed [[David Hilbert (nonfiction)|David Hilbert]]'s work on invariant theory is a myth, although Gordon did correctly point out in a referee's report that some of the reasoning in Hilbert's paper was incomplete; and that Gordon is famously quoted (or misquoted — it is not clear if Gordan really said this, nor is it clear whether the quote was intended as criticism, or praise, or a subtle joke) as saying of Hilbert's proof of [[Hilbert's basis theorem (nonfiction)|Hilbert's basis theorem]]: "This is not mathematics; this is theology."?


• ... that painter and inventor '''[[Samuel Morse (nonfiction)|Samuel Morse]]''' (1791–1872) met [[Louis Daguerre (nonfiction)|Louis Daguerre]] in 1839 while visiting Paris, and that Morse become interested in the daguerreotype (the first practical means of photography), writing a letter to the ''New York Observer'' describing the invention; and that [[Mathew Brady (nonfiction)|Mathew Brady]], one of the earliest photographers in American history, famous for his depictions of the Civil War, initially studied under Morse and later took photographs of him?
• ... that the '''[[Fugu squash]]''' is a genetically engineered hybrid of the fugu fish and any of various types of squash, and that it was created as a vegan delicacy for high-end sushi restaurants?


• ... that a '''[[Nomogram (nonfiction)|nomogram]]''' (from Greek νόμος ''nomos'', "law" and γραμμή ''grammē'', "line"), also called a nomograph, alignment chart, or abaque, is a graphical calculating device consisting of a set of two or more scales (one for each variable in an equation), and a straightedge line (either drawn or virtual) called an index line or isopleth, which is drawn across the scales; and that (1) knowing the values of n-1 variables, the value of the unknown variable can be found, and (2) by fixing the values of some variables, the relationship between the unfixed ones can be studied?
• ... that author, mathematician, scientist, political activist, and educator '''[[Irving Adler (nonfiction)|Irving Adler]]''' (1913–2012) turned his attention, in the late 1970s, to the question of [[Phyllotaxis (nonfiction)|phyllotaxis]], specifically to the arrangement of plant spirals according to the [[Fibonacci sequence (nonfiction)|Fibonacci sequence]], and that his papers in the ''Journal of Theoretical Biology'' stimulated a revival of interest in the subject?
 
• ... that physicist and space activist '''[[Gerard K. O'Neill (nonfiction)|Gerard Kitchen O'Neill]]''' graduated from high school in 1944, then enlisted in the United States Navy on his 17th birthday, and that the Navy trained O'Neill as a radar technician, sparking his interest in science?
 
• ... that biochemist and crystallographer '''[[John Kendrew (nonfiction)|John Kendrew]]''' (1917–1997) investigated the structure of heme-containing proteins, sharing the 1962 Nobel Prize for chemistry with [[Max Perutz (nonfiction)|Max Perutz]] for determining the atomic structures of proteins using X-ray crystallography; and that Kendrew's initial source of raw material for myoglobin was horse heart, but the myoglobin crystals thus obtained were too small for X-ray analysis so Kendrew then used whale meat, having reasoned that oxygen-conserving tissue of diving mammals could offer a better prospect?
 
• ... that the '''[[Fugu squash]]''' is a genetically engineered hybrid of the fugu fish and any of various types of squash, and that it was created as a vegan delicacy for high-end sushi restaurants?


• ... that author, mathematician, scientist, political activist, and educator '''[[Irving Adler (nonfiction)|Irving Adler]]''' (1913–2012) turned his attention, in the late 1970s, to the question of [[Phyllotaxis (nonfiction)|phyllotaxis]], specifically to the arrangement of plant spirals according to the [[Fibonacci sequence (nonfiction)|Fibonacci sequence]], and that his papers in the ''Journal of Theoretical Biology'' simulated a revival of interest in the subject?
{{Template:Categories: April 27}}

Latest revision as of 07:38, 1 May 2024

• ... that painter and inventor Samuel Morse (1791–1872) met artist and pioneering photographer Louis Daguerre in 1839 while visiting Paris, and that Morse become interested in the daguerreotype (the first practical means of photography), writing a letter to the New York Observer describing the invention; and that Mathew Brady, one of the earliest photographers in American history, famous for his depictions of the American Civil War, studied under Morse and later took photographs of him?

• ... that mathematician Paul Gordan (1837–1912) encouraged fellow mathematician David Hilbert and used Hilbert's results and methods, and the widespread story that Gordon opposed David Hilbert's work on invariant theory is a myth, although Gordon did correctly point out in a referee's report that some of the reasoning in Hilbert's paper was incomplete; and that Gordon is famously quoted (or misquoted — it is not clear if Gordan really said this, nor is it clear whether the quote was intended as criticism, or praise, or a subtle joke) as saying of Hilbert's proof of Hilbert's basis theorem: "This is not mathematics; this is theology."?

• ... that the Fugu squash is a genetically engineered hybrid of the fugu fish and any of various types of squash, and that it was created as a vegan delicacy for high-end sushi restaurants?

• ... that author, mathematician, scientist, political activist, and educator Irving Adler (1913–2012) turned his attention, in the late 1970s, to the question of phyllotaxis, specifically to the arrangement of plant spirals according to the Fibonacci sequence, and that his papers in the Journal of Theoretical Biology stimulated a revival of interest in the subject?

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