About the Authors

Jon Borresen

J.Borresen@mmu.ac.uk

Affiliation School of Computing, Mathematics and Digital Technology, Manchester Metropolitan University, Manchester, United Kingdom

Stephen Lynch

Competing Interests

International patent published 5th January 2012 which underpins the preliminary work. J. Borresen and S. Lynch, International patent no: Binary half-adder using oscillators WO2012/001372 A1 (PDR/CLR/PM328208WO) Pages 1–57. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JB SL. Performed the experiments: JB SL. Analyzed the data: JB SL. Contributed reagents/materials/analysis tools: JB SL. Wrote the paper: JB SL.