Made of cast iron, Thermosaurus installs like your regular central-heating radiator.
http://www.artlebedev.com/everythi...

Thermosaurus is a heat exchanger with a Tyrannosaurus as a backbone. The item is highly efficient and energy-savvy, thanks to its complex structure that includes a skull, spine, ribs, legs, and tail bones.

http://www.artlebedev.com/everythi...

When one stares at the cross for about 20 seconds or so, one first sees a gap running around the circle of lilac disks, then a green disk running around the circle of lilac disks, then a green disk running around on the grey background, the lilac disks appearing to have disappeared or to have been erased by the green disk.
http://listverse.com/2007...

Artist is Martin Creed, http://www.martincreed.com/

source: http://imgur.com/8h7N9

Hilarious, and awesome.

source: http://boingboing.net/2012...

source: http://trendenser.se/2012...