In this powerful abstract film with a soundtrack of African drum music, Lye scratched "white ziggle-zag-splutter scratches" on to black leader, using a variety of tools from saw teeth to arrow heads. The first version of the film won a major award at the International Experimental Film Festival Held in Brussels in 1958 in association with the World's Fair. Stan Brakhage described the film as "an almost unbelievably immense masterpiece".
| Release Date | April 23, 1958 | |
|---|---|---|
| Status | Released | |
| Original Title | Free Radicals | |
| Runtime | 5min | |
| Budget | — | |
| Revenue | — | |
| Language | No Language | |
| Original Language | English | |
| Production Countries | United States of America, New Zealand | |
| Production Companies | New Zealand Film Commission | |