output 发表于 2025-4-1 03:22:32

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钱财 发表于 2025-4-1 07:52:12

Robert Rössleight for some serenity and peace after hectic days in the lab. With a cold Rolling Rock beer in hand, I would walk out to the end of a rocky pier and just sit. Staring out into the vast ocean, I was alone with my thoughts and the sounds of the waves gently crashing against the pier. The silence of t

使困惑 发表于 2025-4-1 12:32:07

Robert Rösslebout animals in the wild? What do they see, hear, smell, and feel? How do they perceive their surroundings? This is the illusive world. A world filled with fascinating stimuli that we are not equipped to detect. This is particularly true because we tend to rely so heavily on our eyes or ears...We ar

DECRY 发表于 2025-4-1 18:02:21

Robert Rössle and at the other end were the short wavelengths of violet and ultraviolet light. In the middle of this spectrum was human vision extending from 390 (red) to 700 (violet) nm. In a very similar fashion, sound can be placed along a scale, but with frequency instead of wavelength as the measurement. So

协议 发表于 2025-4-1 20:04:21

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极小 发表于 2025-4-2 01:57:39

Robert Rösslenot always been that way. There was a time before silicon. In the 1940s, transistors did not exist at all and in the early 1950s, transistors were made of germanium, not silicon. These germanium transistors were not very reliable; in particular they were difficult to package and process, and worked

dermatomyositis 发表于 2025-4-2 04:15:12

Robert Rösslenot always been that way. There was a time before silicon. In the 1940s, transistors did not exist at all and in the early 1950s, transistors were made of germanium, not silicon. These germanium transistors were not very reliable; in particular they were difficult to package and process, and worked
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查看完整版本: Titlebook: Sektionstechnik; Robert Rössle Book 19424th edition Springer-Verlag Berlin Heidelberg 1942 Forschung.Sektion.Technik