11 Jul 2026

Life lessons

The Option to Return It

A reversible decision is usually safer than an irreversible one. Sheena Iyengar and Mark Lepper ran a jam tasting in a shop. A large table with many varieties drew more…

11 Jul 2026

Life lessons

The Letter and the Purpose

Public argument about law usually reduces to two formulas: rules must always be obeyed, or personal conscience outranks any text. Neither notices that legality, justice, legitimacy and the safety of…

11 Jul 2026

Knives

ZDP-189: A Steel That’s Hard to Sharpen and Easy to Ruin

ZDP-189 is a Japanese powder steel from Hitachi with an extremely high content of carbon and chromium: 3% carbon and 20% chromium. Besides these, the composition includes molybdenum, vanadium, tungsten,…

11 Jul 2026

Life lessons

Triage First

When there are too many tasks, the natural reaction is to declare everything urgent. After that the word “urgent” carries no information, and the work gets done in order of…

10 Jul 2026

Life lessons

A Crisis Cannot Be Waited Out Alone

A culture of autonomy teaches that hard thoughts should first be worked through on your own, and that you should ask for help only once you have a ready explanation.…

10 Jul 2026

Life lessons

Less as a Design Constraint

Modern minimalism has turned a constraint into moral superiority: fewer things, less luggage, fewer functions — therefore a more correct life. A constraint really can improve a solution, but a…