Quantum Speculations is a supplement of International Journal of Quantum Foundations. It was launched in August 2019. The main purpose of the initiative is to publish more speculative original ideas about modern physics, and bring them to the attention of professional experts in the field.
All Volumes and Issues 
Volume 1, Issue 1, October 2019
Volume 2, Issue 1, January 2020
Volume 3, Issue 1, January 2021
Volume 3, Issue 3, October 2021
Volume 5, Issue 1, January 2023
Volume 5, Issue 4, October 2023
Volume 6, Issue 1, January 2024
Volume 7, Issue 4, October 2025