Most recent: Site search functionality refactored Started 07 June 2026 by Fighter

Most recent: Nikola Tesla Started 25 June 2023 by Fighter

Most recent: What is a scalar wave? Started 03 July 2026 by baerndorfer

Most recent: The different ways to charge a battery Started 08 December 2025 by Inception

Most recent: Metglas Cores Started 08 December 2024 by Fighter

Most recent: Vintage Experiments and Tools Started 11 July 2026 by Fighter

Most recent: Pulse Train Signal Generator Started 30 October 2024 by baerndorfer

Most recent: Tesla coil resonance energy Started 10 January 2026 by Jagau

Most recent: Replication Don Smith's Device No. 9 Started 10 February 2026 by ScientificVoyager

Most recent: Romanian ZPM (Zero Point Module) - Enhancements Stage Started 13 February 2023 by Fighter

Most recent: SpaceX Starship - the first real step to become a multiplanetary species Started 20 April 2023 by Fighter

Most recent: Question Started 14 January 2023 by realco

Most recent: Thank You Started 12 December 2022 by Munny

Most recent: Open-Source Your Invention: A Call to Inventors: **Without Fear** Started 12 May 2026 by worldcup