Porthcurno Sculpture Garden
Lissajous Wave Star
Tom Grimsey
2008
Stainless steel tube
The Lissajous Wave Star is a three dimensional form inspired by a Lissajous curve generated by an oscilloscope.
Lissajous Wave Ring
Tom Grimsey
2008
Stainless steel tube
Inspired by oscilloscope wave forms modifi ed by a magnetic field.
Global Wave Vane
Sam White & Martyn Ellison
with students from Falmouth School
2009
Stainless steel, mild steel & copper
Inspired by ideas about science, geography and the history of telecommunications. The outer ribs of the sculpture represent the surface of the earth, the inner wave arms the cables beneath the sea.
Lightcatcher
Suzanne Redstone
2009
Stainless steel; granite from Porthcurno
This installation reveals the science of light behind the museum's mirror galvanometer. It collects and reflects sunlight and as the Earth turns, the sun tracks its way across the sculpture.
Soundings
Renny Nisbet
2009
Submarine telegraph cable, telegraph pole, digital signal processing and audio system
An audio sculpture detecting faint electrical signals on a disused telegraph cable which once connected with Vigo, Spain. The live signals, from both natural and artificial sources, are continually processed here to produce the cumulative sound of the Earth's magnetic field, atmospheric radio emissions from lightning, as well as man-made electromagnetic noise.
Transmission
Renny Nisbet
2009
Box hedging, copper, cast acrylic, polyethylene, electricity
An interactive logic maze revealing coded messages using a special code-key for navigation. Please ask at the museum for a code-key and code book.