Simple Stuff BlogField notes on alpine ski racing tech, tools, and the science of going faster — from the workbench of a ski technician.2026-07-04T00:00:00.000Zhttps://simplestuff.jp/blog/KoheyA weak yen, a niche, and taking on the ski world from Japan2026-07-04T00:00:00.000Zhttps://simplestuff.jp/blog/weak-yen-and-niche/The weak yen brought the world's skiers to Japan — for powder and FIS points. A Japanese ski technician on pride, kintsugi, and competing with value you raise over years — not factory perfection.The story behind STELLABEACON: a palm-sized sidekick, and a quiet obsession with space2026-06-29T00:00:00.000Zhttps://simplestuff.jp/blog/stellabeacon/The story behind STELLABEACON — a palm-sized, centimeter-accurate RTK gate-mapping beacon I built by hand, and the space obsession behind it. (Sales rights available.)Can an AI design a ski? I'm seriously wondering2026-06-26T00:00:00.000Zhttps://simplestuff.jp/blog/can-ai-design-a-ski/A ski technician on whether AI can design a faster ski — where it already gives him 100x, where it still bluffs, and the one thing it can never learn: a craftsman's tacit knowledge.If you could dream up your ideal ski from scratch2026-06-24T00:00:00.000Zhttps://simplestuff.jp/blog/ideal-ski-from-scratch/A ski technician's daydream: build one perfect race ski — no rules, no cost, no limits. What would you give up? The story of a 168 cm 'wild horse' slalom ski.