Latest posts

• Browser-only DICOM anonymization: Inside the DICOM (.dcm) viewer/anonymizer 2025-09-25
  A detailed walkthrough of ixam.net's DICOM (.dcm) viewer/anonymizer, covering its capabilities and operational safeguards.
• Time to Stop Calling Male Subordinates “-kun”: How Honorifics Distort Evaluation and Relationships 2025-09-05
  In many Japanese workplaces, men are addressed with the diminutive '-kun' while women are called '-san.' I unpack why that seemingly harmless habit warps evaluations and relationships, and why every subordinate deserves the same level of respect.
• What to Know Before Your First Promotion: A Title Is a Role, Not a Status 2025-09-05
  Many first-time managers equate their new title with higher social status. I unpack why that illusion is dangerous, how it corrodes character, and what mindset protects you when you eventually step down.
• What Aptitude Does Management Really Require? The Power to Put Yourself on the Shelf 2025-09-04
  Conventional wisdom lists the traits of a good manager, yet everyday reality demands something less glamorous: the ability to set aside your own shortcomings and keep the organization moving. I explain why this uncomfortable skill matters and how it differs from mere arrogance.
• Every Job Ends When the Deadline Arrives: A Lifeline from a Burning Project 2025-09-03
  “No matter how endless the work seems, the deadline will arrive.” A respected CTO told me that during an IT project that had gone completely off the rails. I unpack the literal and deeper meanings of deadlines and offer this mindset as medicine for people being crushed by work.
• Does AI Democratize Information—or Turn into a Weapon for Exposure? 2025-09-02
  AI democratizes information in an instant while also causing unintended exposure—it delivers exactly what people seek at unprecedented speed.
• Learning about Quantum Computers through Dialogue — 🧙‍♂️ (Professor) and 🐣 (Student) Take a Coin-Flip Tour across the Universe 2025-09-01
  🧙‍♂️ (Professor) and 🐣 (Student) talk through what quantum computers and qubits are, unpacking superposition, measurement, codebreaking, and real-world applications in an easygoing dialogue.
• Learning about Serverless through Dialogue — 🧙‍♂️ (Professor) and 🐣 (Student) Survive Cloud Billing 2025-09-01
  What is serverless? Through a dialogue between 🧙‍♂️ (Professor) and 🐣 (Student), we unpack its mechanics, strengths, and even the billing risks that come with the convenience.
• The Dilemma of Developing Subordinates: Should You Invest in Top Performers or Lift Up Strugglers? 2025-09-01
  Managers agonize over whether to spend time on their strongest people or on those who lag behind. Drawing on my own failures and organizational theory, I explain why I now focus my time on those who can already perform—and how that approach ultimately lifts the whole team.
• The Convenience Paradox: Why Tool Sprawl Keeps Crushing Productivity 2025-08-31
  The more convenience tools we adopt, the more chaos erupts on the ground—and the more maintenance costs explode. Drawing on everyday experience and real-world cases, I argue that the issue is not UX but cost structure, and that organizations must either tame or control their tool landscape.