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  2. Morse code - Wikipedia

    en.wikipedia.org/wiki/Morse_code

    Chart of the Morse code 26 letters and 10 numerals [1]. This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur [2]. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs.

  3. Thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_generator

    The typical efficiency of TEGs is around 5–8%, although it can be higher. Older devices used bimetallic junctions and were bulky. More recent devices use highly doped semiconductors made from bismuth telluride (Bi 2 Te 3), lead telluride (PbTe), [10] calcium manganese oxide (Ca 2 Mn 3 O 8), [11] [12] or combinations thereof, [13] depending on application temperature.

  4. Pyramid scheme - Wikipedia

    en.wikipedia.org/wiki/Pyramid_scheme

    The unsustainable exponential progression of a classic pyramid scheme in which every member is required to recruit six new people. To sustain the scheme, the 2.2 billion people in the 12th layer would be required to recruit 13.1 billion more people for the 13th layer, even though there are not nearly enough people in the world to achieve that.

  5. 2020 Twitter account hijacking - Wikipedia

    en.wikipedia.org/wiki/2020_Twitter_account_hijacking

    On July 15, 2020, between 20:00 and 22:00 UTC, 130 high-profile Twitter accounts were reportedly compromised by outside parties to promote a bitcoin scam. [1] [2] Twitter and other media sources confirmed that the perpetrators had gained access to Twitter's administrative tools so that they could alter the accounts themselves and post the tweets directly.

  6. Milgram experiment - Wikipedia

    en.wikipedia.org/wiki/Milgram_experiment

    The subject is led to believe that for each wrong answer, the learner was receiving actual electric shocks, though in reality there were no such punishments. Being separated from the subject, the confederate set up a tape recorder integrated with the electro-shock generator, which played pre-recorded sounds for each shock level. [1]

  7. Ponzi scheme - Wikipedia

    en.wikipedia.org/wiki/Ponzi_scheme

    The May 2022 collapse of TerraUSD, a stablecoin propped up by a complex algorithmic mechanism offering 20% yields, was described as "Ponzinomics" by Wired. [32] Another example of a well known ponzi scheme involving cryptoassets was the ICO of AriseBank or AriseCoin , involving claims about founding the world's first "decentralized bank".

  8. Truth Social - Wikipedia

    en.wikipedia.org/wiki/Truth_Social

    Truth Social (stylized as TRUTH Social) is an alt-tech [4] [5] [6] social media platform owned by Trump Media & Technology Group (TMTG), an American media and technology company majority-owned by former U.S. president Donald Trump. [7]

  9. Rotten Tomatoes - Wikipedia

    en.wikipedia.org/wiki/Rotten_Tomatoes

    In June 2004, IGN Entertainment acquired Rotten Tomatoes for an undisclosed sum. [20] In September 2005, IGN was bought by News Corp's Fox Interactive Media. [21] In January 2010, IGN sold the website to Flixster. [22] The combined reach of both companies is 30 million unique visitors a month across all different platforms, according to the ...