American · 1935–1997

Bruce DePalma

Physicist & Inventor

Bruce DePalma was a physicist and former MIT lecturer whose N-Machine experiments challenged fundamental assumptions about electromagnetic induction. His work on the homopolar generator and rotating magnetic fields suggested anomalous output characteristics that conventional electromagnetic theory has never satisfactorily explained.

"The free energy machine is not a perpetual motion machine. It is a machine which taps the energy of the environment."
— Bruce DePalma

Biography

Bruce DePalma was born in 1935 and received his education at MIT and Harvard, where he worked as a lecturer in photographic science. In the 1970s, DePalma began a series of experiments on rotating bodies and their interaction with magnetic fields, motivated by his belief that rotation itself — independent of electromagnetic induction — could be a source of energy. His most significant work centred on the homopolar generator, a device first built by Michael Faraday in 1831 that produces DC current through the rotation of a conductive disk in a magnetic field. DePalma's N-Machine, developed in the late 1970s, was a high-speed homopolar generator in which the magnet rotated with the disk. He claimed — and published data suggesting — that the N-Machine produced more electrical output than the mechanical input required to drive it, a result that would violate conventional energy conservation principles if confirmed. DePalma spent the remainder of his life attempting to have his results independently verified and to develop a theoretical framework for his observations. He emigrated to New Zealand in the 1990s and died there in 1997. His experimental data and theoretical papers remain available and continue to attract serious study.

Key Contributions

N-Machine

A high-speed homopolar generator in which the magnet rotates with the disk, claimed to produce anomalous output-to-input ratios.

Rotating Frame of Reference Research

Experimental work demonstrating that rotating bodies behave differently in gravitational and inertial fields than classical mechanics predicts.

Forced Precession Experiments

A series of experiments showing anomalous behaviour in gyroscopes under forced precession, suggesting an interaction between rotation and gravity.

Space Power Generator Concept

A theoretical framework proposing that the rotation of a magnetized body creates a 'primordial energy field' that can be tapped for electrical generation.