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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 ...
Thermophotovoltaic energy conversion. Thermophotovoltaic ( TPV) energy conversion is a direct conversion process from heat to electricity via photons. A basic thermophotovoltaic system consists of a hot object emitting thermal radiation and a photovoltaic cell similar to a solar cell but tuned to the spectrum being emitted from the hot object.
6-Aminopenicillanic acid (6-APA) is a compound derived from penicillin G. 6-APA contains the beta-lactam core of penicillin G, but with the side chains stripped off; 6-APA is a useful precursor for manufacturing other penicillins. There are many semi-synthetic penicillins derived from 6-APA and these are in three groups: antistaphylococcal ...
Generation X (often shortened to Gen X) is the demographic cohort following the Baby Boomers and preceding Millennials.Researchers and popular media often use the mid-1960s as its starting birth years and the late 1970s as its ending birth years, with the generation being generally defined as people born from 1965 to 1980.
July 17, 2024 at 10:59 AM. Days after Donald Trump was shot with an AR-15 -style weapon, at a campaign rally, attendees at the Republican National Convention in Milwaukee can get their hands on ...
As of 2019, worldwide geothermal power capacity amounts to 15.4 gigawatts (GW), of which 23.9% (3.68 GW) are installed in the United States. [4] International markets grew at an average annual rate of 5 percent over the three years to 2015, and global geothermal power capacity is expected to reach 14.5–17.6 GW by 2020. [ 5 ]
The Franco-Prussian War or Franco-German War, [b] often referred to in France as the War of 1870, was a conflict between the Second French Empire and the North German Confederation led by the Kingdom of Prussia. Lasting from 19 July 1870 to 28 January 1871, the conflict was caused primarily by France's determination to reassert its dominant ...
The 1% Club is a British game show that has aired on ITV1 since 9 April 2022, and is hosted by Lee Mack. The show is styled as an IQ test and the questions are not based on general knowledge, like many shows, but on "logic and common sense". The top prize achievable is £100,000. The first series averaged 4.39 million viewers across its span of ...