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  2. Einstein's thought experiments - Wikipedia

    en.wikipedia.org/wiki/Einstein's_thought_experiments

    In his popular work, Relativity: The Special and General Theory, Einstein translates the formal presentation of his paper into a thought experiment using a train, a railway embankment, and lightning flashes. The essence of the thought experiment is as follows: Observer M stands on an embankment, while observer M ' rides on a rapidly traveling ...

  3. List of impossible puzzles - Wikipedia

    en.wikipedia.org/wiki/List_of_impossible_puzzles

    This is a list of puzzles that cannot be solved. An impossible puzzle is a puzzle that cannot be resolved, either due to lack of sufficient information, or any number of logical impossibilities. Kookrooster maken 23; 15 Puzzle – Slide fifteen numbered tiles into numerical order. It is impossible to solve in half of the starting positions.

  4. Crossword - Wikipedia

    en.wikipedia.org/wiki/Crossword

    Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [31] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...

  5. Games on AOL.com: Free online games, chat with others in real ...

    www.aol.com/games/play/difference-games/dreams

    Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  6. Railway platform - Wikipedia

    en.wikipedia.org/wiki/Railway_platform

    Platform 1 is a "bay" platform, while platforms 2, 3 and 4 are "through" platforms. The platform accommodating 3 and 4 is an "island" platform. Platform types include the bay platform, side platform (also called through platform), split platform and island platform. A bay platform is one at which the track terminates, i.e. a dead-end or siding ...

  7. List of Hallmark Channel Original Movies - Wikipedia

    en.wikipedia.org/wiki/List_of_Hallmark_Channel...

    Crossword Mysteries: A Puzzle to Die For: Lacey Chabert and Brennan Elliott: Don McCutcheon March 10, 2019 1.60 [326] Morning Show Mysteries: A Murder in Mind: Holly Robinson-Peete and Rick Fox: Kevin Fair: April 14, 2019 0.83 [327] Morning Show Mysteries: Countdown to Murder: Holly Robinson-Peete and Rick Fox: Kevin Fair: April 21, 2019 0.91 [328]

  8. Dream interpretation - Wikipedia

    en.wikipedia.org/wiki/Dream_interpretation

    Jung stressed that the dream was not merely a devious puzzle invented by the unconscious to be deciphered, so that the true causal factors behind it may be elicited. Dreams were not to serve as lie detectors, with which to reveal the insincerity behind conscious thought processes. Dreams, like the unconscious, had their own language.

  9. The New York Times crossword - Wikipedia

    en.wikipedia.org/wiki/The_New_York_Times_crossword

    The puzzle proved popular, and Sulzberger himself authored a Times puzzle before the year was out. [11] In 1950, the crossword became a daily feature. That first daily puzzle was published without an author line, and as of 2001 the identity of the author of the first weekday Times crossword remained unknown. [13]