Teslametern

Teslametern is a hypothetical energy-storage and propulsion concept described in speculative discussions of future technologies. The name blends Nikola Tesla’s legacy with a suffix intended to evoke eternity, signaling a device imagined to deliver continuous power with minimal net losses.

Proposed designs describe a modular unit composed of superconducting energy-storage lattices, high-efficiency power electronics, and a controlled electromagnetic field topology that recaptures energy during discharge. In some sketches the device resembles a closed regenerative loop where energy output is partially returned to storage to sustain operation without frequent external recharging.

Within the speculative framework, cooling systems keep superconductors below critical temperatures, and advanced control algorithms manage resonant interactions to minimize resistive losses. Some variants emphasize harvesting ambient electromagnetic energy from the environment, while others rely on purely on-board stores that are occasionally recharged from a grid or fusion/solar source. The concept emphasizes long hold times and rapid dispatch.

Teslametern remains theoretical and controversial. It is commonly cited as an example of perpetual energy or "infinite" energy devices, but it conflicts with the laws of thermodynamics as currently understood. There is no experimental evidence to support practical realization, and most engineers treat it as a thought experiment or a narrative device.

In culture and engineering discourse, Teslametern is used to explore the boundaries between energy storage, efficiency, and control. It has appeared in speculative design projects and techno-thriller fiction as a symbol of idealized energy resilience. Related topics include energy storage systems, superconductivity, and electromagnetic propulsion.