This webpage describes a highly efficient LED dimmer, or a dimmable LED flashlight, or a switching current source, or whatever you want to call it.

Crazy detail on this.

LED PWM via the 555 IC.

The small wooden lamps were designed through the morphing of a simple square to a multi-point polygon, creating a multi-faceted shade.

Uses a "double pantograph" arm. That might be a nice way of moving things around. I've seen that before. Also noteworthy is the square LED matrix and the use of a diffuser.

The Good Night Lamp project is a family of lamps which allow people to communicate the act of coming back home to their loved ones, remotely. As you turn the bigger light on, your presence home is indicated to your friends whose smaller lamps turn on as well.

I wanted a cheap, small headless machine that I could use as a Samba server and BitTorrent client so I could leave my workstation off when I wasn't using it.