Editing Crossword (section)

=== Schrödinger or quantum puzzles ===
Some puzzle grids contain more than one correct answer for the same set of clues. These are called Schrödinger or quantum puzzles, alluding to the [[Schrödinger's Cat]] [[thought experiment]] in [[quantum physics]].<ref>{{Cite web|url=https://crosswordfiend.com/2012/05/09/thursday-51012/#comment-147469|title=Comment, Thursday, May 9, 2012|last=Pahk|first=Joon|date=2012-05-09|website=Diary of a Crossword Fiend|access-date=2019-11-25}}</ref> Schrödinger puzzles have frequently been published in venues including ''Fireball Crosswords'' and ''The American Values Club Crosswords'', and at least ten have appeared in ''The New York Times'' since the late 1980s.<ref>{{cite web|title=Quantum|url=http://www.xwordinfo.com/Quantum|website=xwordinfo.com}}</ref> [[File:The New York Times crossword Clinton-Bob Dole puzzle 1996.gif|thumb|right|550px|Clinton/Bob Dole puzzle from 1996]] The daily ''New York Times'' puzzle for November 5, 1996, by [[Jeremiah Farrell]], had a clue for 39 across that read "Lead story in tomorrow's newspaper, with 43 Across (!)."<ref>{{cite web|last1=Farrell|first1=Jeremiah|title=New York Times puzzle of Tuesday, November 5, 1996|url=http://www.xwordinfo.com/Crossword?date=11/5/1996|website=xwordinfo.com|access-date=16 January 2017}}</ref> The answer for 43 across was ELECTED; depending on the outcome of that day's [[1996 United States presidential election|Presidential Election]], the answer for 39 across would have been correct with either [[Bill Clinton|CLINTON]] or [[Bob Dole|BOBDOLE]], as would each of the corresponding down answers.<ref>{{cite book|last1=Amende|first1=Coral|title=The Crossword Obsession|url=https://archive.org/details/crosswordobsessi00amen|url-access=registration|date=2001|publisher=Berkley Books|location=New York|isbn=978-0756790868}}</ref> On September 1, 2016, the daily ''New York Times'' puzzle by Ben Tausig had four squares which led to correct answers reading both across and down if solvers entered either "M" or "F".<ref>{{cite web|last1=Tausig|first1=Ben|title=New York Times puzzle of Thursday, September 1, 2016|url=http://www.xwordinfo.com/Crossword?date=9/1/2016|website=xwordinfo.com|access-date=16 January 2017}}</ref> The puzzle's theme, [[Gender fluid|GENDERFLUID]], was revealed at 37 across in the center of the puzzle: "Having a variable identity, as suggested by four squares in this puzzle."<ref>{{cite web|last1=Roeder|first1=Oliver|title=One of the Most Important Crosswords in New York Times History|url=http://www.slate.com/articles/life/gaming/2016/09/ben_tausig_s_new_york_times_puzzle_is_one_of_history_s_most_important_crosswords.html|website=Slate|date=September 2016 |access-date=16 January 2017}}</ref>