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2. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_Code

   The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

3. Konami Code - Wikipedia

   en.wikipedia.org/wiki/Konami_Code

   The Konami Code. The Konami Code (Japanese: コナミコマンド, Konami Komando, "Konami command"), also commonly referred to as the Contra Code and sometimes the 30 Lives Code, is a cheat code that appears in many Konami video games, [1] as well as some non-Konami games.

4. 4 positives to focus on as recession fears grip the market ...

   www.aol.com/4-positives-focus-recession-fears...

   Although the S&P is down 4.25% since August's close, the popular Magnificent 7 stocks suffered a broader a 5.58% drop. This cohort comprises large-cap names that have soared when risk-on sentiment ...

5. Proportional–integral–derivative controller - Wikipedia

   en.wikipedia.org/wiki/Proportional–integral...

   Published in 1984 by Karl Johan Åström and Tore Hägglund, [25] the relay method temporarily operates the process using bang-bang control and measures the resultant oscillations. The output is switched (as if by a relay, hence the name) between two values of the control variable. The values must be chosen so the process will cross the ...

6. Lockheed Martin F-35 Lightning II - Wikipedia

   en.wikipedia.org/wiki/Lockheed_Martin_F-35...

   The F-35 was the product of the Joint Strike Fighter (JSF) program, which was the merger of various combat aircraft programs from the 1980s and 1990s. One progenitor program was the Defense Advanced Research Projects Agency (DARPA) Advanced Short Take-Off/Vertical Landing (ASTOVL) which ran from 1983 to 1994; ASTOVL aimed to develop a Harrier jump jet replacement for the U.S. Marine Corps ...

7. Sodium hypochlorite - Wikipedia

   en.wikipedia.org/wiki/Sodium_hypochlorite

   The oxygen pathway predominates at pH 10. [25] This decomposition is affected by light [26] and metal ion catalysts such as copper, nickel, cobalt, [25] and iridium. [27] Catalysts like sodium dichromate Na 2 Cr 2 O 7 and sodium molybdate Na 2 MoO 4 may be added industrially to reduce the oxygen pathway, but a report claims that only the latter ...