3 columns, each 56.5 x 7.5 cm diameter

Aluminium cylinder wound with (1) enamelled copper wire, (2) nickel chrome wire, (3) purple enamelled copper wire, electric motor, aluminium base.

The line of light appears to move simultaneously up and down. This may at first seem a contradiction in terms. The line behaves as one continuous movement but simultaneously within itself contains separate moments of motion.