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  2. Symbol grounding problem - Wikipedia

    en.wikipedia.org/wiki/Symbol_Grounding_Problem

    One's search for meaning would be ungrounded. In contrast, the meaning of the words in one's head—those words one does understand—are "grounded". [citation needed] That mental grounding of the meanings of words mediates between the words on any external page one reads (and understands) and the external objects to which those words refer. [9 ...

  3. Leitner system - Wikipedia

    en.wikipedia.org/wiki/Leitner_system

    The Leitner system [1] [2] [3] is a widely used method of efficiently using flashcards that was proposed by the German science journalist Sebastian Leitner in 1972. [ 4 ] [ 5 ] It is a simple implementation of the principle of spaced repetition , where cards are reviewed at increasing intervals.

  4. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    High Definition Television, any television system with more than 625 scan lines. headphone An audio transducer or pair of transducers arranged to be worn on (or in) the ear. heat transfer The study of the flow of heat energy; heat transfer concerns dictate major design features of most electrical and electronic systems. heatsink

  5. Flashcard - Wikipedia

    en.wikipedia.org/wiki/Flashcard

    The Leitner system for scheduling flashcards was introduced by German scientific journalist Sebastian Leitner in the 1970s with his book, So lernt man lernen. [6] Later, the SuperMemo program and algorithm (specifically the SM-2 algorithm, which is the most popular in other programs) was introduced in 1987 by Polish researcher Piotr Woźniak. [7]

  6. Grounding (metaphysics) - Wikipedia

    en.wikipedia.org/wiki/Grounding_(metaphysics)

    Grounding is a topic in metaphysics. Consider an ordinary physical object , such as a table, and the atoms it is made of. Without the atoms, the table would not exist ; thus, the table's existence depends on the existence of the atoms.

  7. Talk of a sharp stock correction is rising. Here's how ... - AOL

    www.aol.com/talk-sharp-stock-correction-rising...

    That technical level is at about 5,570. If the S&P 500 tests that level and breaks below it decisively, the next area of support for the index is the 38.2% Fibonacci retracement level at 5,337.

  8. Trump bristles at Musk’s rocketing profile as Democrats play ...

    www.aol.com/news/trump-bristles-musk-rocketing...

    Whether Elon Musk is the real “president,” merely the “prime minister” or just Donald Trump’s multibillionaire enforcer, he’s carving out an unprecedented role that could raise ...

  9. Severe weather terminology (United States) - Wikipedia

    en.wikipedia.org/wiki/Severe_weather_terminology...

    The categorical forecast in the Day 1-3 Convective Outlooks—which estimates a severe weather event occurring within 25 miles (40 km) of a point and derives the attendant risk areas from probability forecasts of tornadoes, damaging winds, and large hail on Days 1 and 2, and a combined severe weather risk on Day 3—specifies the level of ...