グレッグ パズル ブログ
同僚への贈り物：机に置いてもらえるもの
The useful test for a colleague's gift is not whether they like it when they open it. It is whether it is still on their desk in March.
同僚への贈り物：机に置いてもらえるもの
The useful test for a colleague's gift is not whether they like it when they open it. It is whether it is still on their desk in March.
大人のためのちょっとした贈り物
The stocking is the hardest part of Christmas shopping. Most things that fit the brief get used once, and a small mechanical puzzle is one of the few that does...
大人のためのちょっとした贈り物
The stocking is the hardest part of Christmas shopping. Most things that fit the brief get used once, and a small mechanical puzzle is one of the few that does...
エンジニアへの贈り物：道具ではなく問題を
The trouble with buying for engineers is that the obvious gifts are tools, and they already own better tools than you are going to find.
エンジニアへの贈り物：道具ではなく問題を
The trouble with buying for engineers is that the obvious gifts are tools, and they already own better tools than you are going to find.
メカニカルパズルとは：全種類の分類ガイド
Liking one type of mechanical puzzle tells you almost nothing about whether you will like another. Here are all seven, and how to find yours before you buy.
メカニカルパズルとは：全種類の分類ガイド
Liking one type of mechanical puzzle tells you almost nothing about whether you will like another. Here are all seven, and how to find yours before you buy.
組み立てパズルとは：組木との違い
Take a packing puzzle apart and you still have the box. Take an assembly puzzle apart and you have a handful of shapes on a table, telling you nothing.
組み立てパズルとは：組木との違い
Take a packing puzzle apart and you still have the box. Take an assembly puzzle apart and you have a handful of shapes on a table, telling you nothing.
3D空間認識パズル：研究が示していること
Spatial reasoning gets sold as if it were one skill. Researchers gave up on that idea long ago, and the framework they use instead sorts this shelf neatly.
3D空間認識パズル：研究が示していること
Spatial reasoning gets sold as if it were one skill. Researchers gave up on that idea long ago, and the framework they use instead sorts this shelf neatly.