CDs (not CD-ROMs) were invented in a collaborative effort between Philips and Sony. I recommend reading The Compact Disc Story by Kees Immink. It would be nice if you would fact-check before you post complete misapprehensions like this.
Sony launched their videocassette format "U-matic" in 1971. Philips didn't introduce their version called "VCR" until 1972.
Walkman is wholly a Japanese invention. Even the word Walkman is the brand name used by Sony.
The nature of things is that inventions can only be made if people don't know about them. It's pretty silly to blame Japan for not inventing things they were already using at the time.I don't think that Japan 80 or 100 years ago was most scientifically backward than Western countries 200, 300 or 400 years ago. Yet, Western countries did invent such things as the mechanical clock, the thermometer and barometer, the microscope or the steam engine over 300 years ago.
I asked a question about the difference between inventive science and engineering. Now you have defined "engineering" (and added a piece of personal opinion which I will ignore because it's so obviously uninformed) but you forgot to provide a definition of inventive science. Perhaps you'll allow me to do it for you? Inventive Science is the act of creating new machines, devices or systems by applying scientific principles. In other words, it's a branch of engineering under your very own definition...Engineering is putting in practice the laws of sciences. It's mostly a matter of financial means...
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