Works

JumpLab is a software that allows you to experiment with variable parameters for jumping and camera movement in platform games (jump action games) such as Super Mario Bros. It is designed as an educational tool for learning how parameter settings affect the sense of playing in video games.

A “Short-short story” is a kind of literary form, and it is very short (100-1000 words) as the name describes. Usually it has a tip of humor, and sometimes it is really meaningful. …

Here I introduce some QR Code hacks; embedding hidden data and making an ambiguous code.

What if mankind did not invent numbers? A thought experiment is physicalized.

Experiments in new photographic expression through spherical (360-degree) photography, testing various tricks that exploit inevitable need for active viewing of the images.

Lyq (Leak Your Query, pronounced as leak) is a micro "unintentional" blogging tool that tweets (leaks) what you've searched automatically. It is a Google Chrome Extension, and after you've installed Lyq, it discloses your search query every your search at various services such as Google or Bing.

TENORI-OFF is an novel unplugged musical instrument. Step-by-step instruction for makers is described.

Libqrencode is a fast and compact library for encoding data in a QR Code symbol, a kind of 2D symbology that can be scanned by handy terminals such as a smartphone. The capacity of QR Code is up to 7000 digits or 4000 characters, and is highly robust.

Stage performances with the laser pointer-based interaction system“Laser Trail Tracker”. In addition to the drawing performance with laser pointers, the system enables real-time audio …

USB rotary channel changer made by modifying a USB joypad.

EffecTV is a real-time software video effect processor for Linux, developed since 2001.