An extremely low frequency (ELF) wave generator that emits a 7.83 Hz signal, the fundamental Schumann resonance of the Earth–ionosphere cavity. This compact, low‑power module is designed for stable, long‑term operation in a variety of settings. - Key benefits - Reproduces natural earth resonance for ambient or experimental use - Low power, small footprint, robust construction - Stable output with minimal drift and simple on/off operation - What it is and what it does - Generates a 7.83 Hz electromagnetic field; the wavelength (~38,000 km) aligns with the natural Earth–ionosphere scale - Compatibility and use - Suitable for labs, classrooms, wellness spaces, and field demonstrations - Compatible with standard sensing, recording, and data collection tools - Attributes - Compact form factor; durable housing; designed for reliable, continuous operation - Use scenarios - Educational demonstrations of ELF and Schumann resonance in science classes - Ambient environment for meditation or focus spaces seeking natural-frequency ambiance - Basic lab experiments exploring ELF field interactions with materials or sensors