In the 1950s, legendary behaviorist B.F. Skinner debuted his version of a “teaching machine,” based on the 1924 invention of Ohio State University psychology professor Sidney Pressey. The contraption was loaded with a piece of paper with questions, and students pressed keys indicating the correct answer, at which point another question would appear. Both Pressey and Skinner ran into similar problems, though, failing to implement the technology in schools. Educators weren’t convinced of the machine’s benefit, which prioritized individually paced learning not conducive to students of the same age moving through a grade level at the same time.
1L decoder, d=3, 4h/1kv, hd=2, ff=2
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На Украине рассказали о технике влияния Ермака на Зеленского14:52
The speakers are powerful, and can get quite loud. There's not as much bass as I'd like, but physics is the limiting factor here. Overall the speakers are pleasant to listen to, which is never a guarantee in the world of laptops.
过去一年，墨水屏出现在我的信息流里的频率，肉眼可见地变高了。