Sky Ear is going to fly!

May 4th, 2004 @ 1900GMT (during the lunar eclipse)
National Maritime Museum/Greenwich Park, London

Hovering above Queen's House, near the line of GMT, Sky Ear is a
glowing cloud of a thousand helium balloons filled with mobile phones
and electromagnetic sensors that emit blue, red and yellow lights
when activated. Visitors will be able to dial up the cloud, listen to
the electromagnetic sounds of the sky and watch their phone calls
create complex illumination patterns within the cloud.

It would be great if you could make it along on the night; if you're
far away there is a webcast (and more information) here:

Hope to see you!