# Jin Jiefan's Tech Insights > Jin Jiefan's English technology essays on semiconductors, software, AI, technology history, business, healthcare, and human progress. ## Site - URL: https://jinjiefan.com/ - Author: Jin Jiefan - Language: en - Article count: 79 - Core topics: semiconductors, lithography, ASML, software, AI, technology history, business, healthcare, education, human progress - Chinese edition: https://cn.jinjiefan.com/ ## Important Pages - Home: https://jinjiefan.com/ - Articles: https://jinjiefan.com/posts/ - Categories: https://jinjiefan.com/categories/ - About: https://jinjiefan.com/about/ - RSS: https://jinjiefan.com/index.xml - Sitemap: https://jinjiefan.com/sitemap.xml ## Latest Articles - [The Apennine Problem: The Root Cause of Italian Football's Decline](https://jinjiefan.com/posts/2026-07-07-the-apennine-problem-italian-football-decline/) — 2026-07-07 — When the final whistle blew in the 2026 World Cup qualifying playoff, Donnarumma was kneeling in the Bosnian night. What slipped through his hands was not just a penalty. It was … - [When Citizenship Becomes a Premium Membership: Who Moves, Who Rages, and Who Keeps Reigniting Nationalism](https://jinjiefan.com/posts/2026-07-03-when-citizenship-becomes-a-premium-membership/) — 2026-07-03 — From 1990-2010, many people assumed the world was moving in a clear direction: globalization would weaken borders, the internet would dilute the nation-state, and cross-border … - [The Ultimate Symphony of Silicon-Based Chips](https://jinjiefan.com/posts/2026-07-01-the-ultimate--symphony-of-silicon-based--chips/) — 2026-07-01 — Another “not my day job” essay squeezed out of me. It started because a reader asked for a sequel to “The Creator’s-Eye View,” and I realized that piece left a giant hole unfilled. … - [The Secret Underworld of North American Chinese Supermarkets](https://jinjiefan.com/posts/2026-06-01-the-secret-underworld-of-north-american-chinese-supermarkets/) — 2026-06-01 — A few days ago I read an article called “A Close Look at America’s Old-Money Chinese Families,” which dug all the way to the bottom of dynasties like the Pei family (I.M. Pei), the … - [Part 3: The Sanctuary of Ascension – Our Own Genesis](https://jinjiefan.com/posts/2025-12-01-the-sanctuary-of-ascensionour-own-genesis/) — 2025-12-01 — Introduction Link to heading In Part 1, we descended along physics’ “dimensional reduction chain,” catching a glimpse of the universe’s perfect, smooth top-level design from the … - [Part 2: Resisting the Dimensional Strike: The Leftover World Abandoned by Integer Dimensions](https://jinjiefan.com/posts/2025-10-01-resisting-the-dimensional-strike-the-leftover-world-abandoned-by-integer-dimensions/) — 2025-10-01 — The grandest, most “smooth” theoretical layers of the universe (from M-Theory down to Newtonian Mechanics) represent the ultimate Utopia in the eyes of physicists. In this sequel … - [Part 1: What a True Dimensional Strike Actually Looks Like](https://jinjiefan.com/posts/2025-09-01-true-dimensional-strike-actually-looks-like/) — 2025-09-01 — The chain of dimensional strikes (dimensionality reduction) in physics is essentially a top-down degradation from the highest-dimensional frameworks of the universe. With every … - [The Trillion-Dollar Showdown: Apple, Nvidia, and the Future of AI](https://jinjiefan.com/posts/2025-08-31-the-trillion-dollar-showdown/) — 2025-08-31 — The Trillion-Dollar Showdown: Apple, Nvidia, and the Future of AI Link to heading It’s been a while since my last Q&A post about Nvidia. The reason I haven’t followed up is simple: … - [Fur](https://jinjiefan.com/posts/2025-05-01-fur/) — 2025-05-01 — (Note on the title: The Chinese title “皮毛” literally translates to “Fur” or “Pelts,” referring to the fur trade discussed in the article. However, in Chinese, “皮毛” is also a common … - [The Era of AI Bricklaying: Labels, Wealth, and Happiness](https://jinjiefan.com/posts/2024-12-01-the-era-of-ai-bricklaying/) — 2024-12-01 — It’s been a while since my last update. It’s the end of the year, so I need to find some excuses for myself and take the opportunity to vent a little. To be honest, I’m a bit … - [How the World Was Changed (2)](https://jinjiefan.com/posts/2024-09-01-how-the-world-was-changed-part2/) — 2024-09-01 — This update is slower, mainly due to eye issues. With the progression of presbyopia, my eyes can’t adapt to the three different distances of a phone, laptop, and external screen. … - [How the World Was Changed](https://jinjiefan.com/posts/2024-06-01-how-the-world-was-changed/) — 2024-06-01 — The podcasts I default to while driving lately are “Left and Right” and “Journey of Civilization.” I listen to almost every episode of the former, while the latter is like an old … - [New Book - Inside the Power Struggle Over ASML's Lithography Machines](https://jinjiefan.com/posts/2024-05-12-inside-the-power-struggle-over-asml/) — 2024-05-12 — Recently, there’s been a highly anticipated new book in the semiconductor industry, with a title that’s both particularly short and particularly long. This book is “Focus,” with … - [Q&A About NVIDIA](https://jinjiefan.com/posts/2024-03-10-qna-about-nvidia/) — 2024-03-10 — Q: After NVIDIA (NVDA) recently surged to a high of $1000(before 2024 split), there has been intense debate between bulls and bears, with many comparing it to Cisco’s peak during … - [Discussing the Clash of Eastern and Western Ideologies Through Golf, Cuisine, and Airports](https://jinjiefan.com/posts/2024-01-01-discussing-the-clash-of-eastern-and-western-ideologies/) — 2024-01-01 — Today is New Year’s Day, so let’s dive into a light yet heavy topic. There’s something quite intriguing about the fact that golf tournaments offer exceptionally high prize money, … - [Mobile Baseband Chips Past (2023 Revised Edition)](https://jinjiefan.com/posts/2023-06-01-the-story-of-mobile-baseband-processors/) — 2023-06-01 — As we all know, the world of semiconductors can be a complex and highly specialized industry that involves intricate cross-technologies and geopolitical considerations. … - [One Hundred Years of Solitude of the Jin Family](https://jinjiefan.com/posts/2023-05-01-one-hundred-years-of-solitude-of-the-jin-family/) — 2023-05-01 — During my vacation, I had the pleasure of reading two memoir articles written by my father. It left me deeply moved. As time passes, memories tend to fade away, and the collective … - [The Great Transformation of Hundreds Years: Exploring the recent Financial and AI Disruptions](https://jinjiefan.com/posts/2023-04-04-the-great-transformation-of-hundreds-years-exploring-the-recent-financial-and-ai-disruptions/) — 2023-04-04 — In the wake of recent events, questions have arisen among tech enthusiasts, investors, and everyday people, with inquiries such as “Why did Silicon Valley Bank collapse?” “What … - [Blue Foxes Island](https://jinjiefan.com/posts/2023-02-01-blue-foxes-island/) — 2023-02-01 — I was greatly moved after listening to the book about Blue Fox Island during the Spring Festival. This is probably the most arduous task humans have ever undertaken, and at that … - [Electronic Products, Artificial Tears, and my Melancholy](https://jinjiefan.com/posts/2023-02-01-electronic-products-artificial-tears-and-my-melancholy/) — 2023-02-01 — This article was written during the Chinese New Year period, and it summarizes my personal experience of struggling with eye problems for many years. In the late 1990s, I once … - [Ranking of Engineering Universities in China in the 1980s](https://jinjiefan.com/posts/2023-01-01-ranking-of-engineering-universities-in-china-in-the-1980s/) — 2023-01-01 — “The harsh winds of time relentlessly wash away the imprints of the era, causing the past glory and misery to quickly be forgotten by people.” First of all, let’s say farewell to … - [On the Nonsense of Startups](https://jinjiefan.com/posts/2022-11-01-on-the-nonsense-of-startups/) — 2022-11-01 — One Link to heading Regarding startup companies, there is a rough but interesting theory that if at least two of the following three are strong, the company can survive, and if all … - [The Lies and Truths of Silicon Carbide](https://jinjiefan.com/posts/2022-09-01-the-lies-and-truths-of-silicon-carbide/) — 2022-09-01 — It is often said that buying stocks is based on expectations, but in reality, it is usually based on stories. As the saying goes, “Buy the rumor, sell the news.” This means that … - [Engineering university rankings in China prior to liberation(1949)](https://jinjiefan.com/posts/2022-08-01-engineering-university-rankings-in-china-prior-to-liberation1949/) — 2022-08-01 — During college acceptance season, I was chatting with friends and accidentally boasted about being able to claim a full set of (清北复交)“Tsinghua University, Peking University, and … - [AMAT and ALD Curse](https://jinjiefan.com/posts/2022-06-01-amat-and-ald-curse/) — 2022-06-01 — AMAT is one of the most prominent representatives in this regard: its long-standing and reliable manufacturing process, significant investment in anti-cyclical research and … - [The demise of the coronavirus](https://jinjiefan.com/posts/2022-06-01-the-demise-of-the-coronavirus/) — 2022-06-01 — Before the outbreak, there was a drama series that was very similar to the American show “24” called “Designated Survivor”. At the beginning of the series, the President of the … - [PCR testing: the technology changed China in 2022](https://jinjiefan.com/posts/2022-05-01-pcr-testing-the-technology-changed-china-in-2022/) — 2022-05-01 — Recently, many people have mixed feelings about a technology that originated from the United States - PCR testing. As a public account that enjoys writing about the history of … - [Ranking of perception of technology in Chinese cities(2022)](https://jinjiefan.com/posts/2022-04-01-ranking-of-perception-of-technology-in-chinese-cities2022/) — 2022-04-01 — Two years ago, I used a method called “Who do you think you are?” to create the “Ranking of Perception of Urban Science and Technology in China”. I will not go into the specifics … - [The Truth and Lies of Quantum Computing](https://jinjiefan.com/posts/2022-04-01-the-truth-and-lies-of-quantum-computing/) — 2022-04-01 — Epilogue Link to heading The protagonist, Professor Robert Langdon (played by Tom Hanks), in “The Da Vinci Code” and “Angels and Demons” is the central character in Dan Brown’s … - [The story of Applied Materials(AMAT)](https://jinjiefan.com/posts/2022-03-01-the-story-of-applied-materialsamat/) — 2022-03-01 — Writing application materials can be tricky: adding a storytelling element requires a lot of material and personal biases. * * * It has been said that having a founder who …