Listening to the Body's Magnetic Signals

The human body generates magnetic fields. The heart, the brain, and the peripheral nervous system all produce electrical activity — and every electrical current generates a corresponding magnetic field.

These biomagnetic signals carry clinical information of extraordinary richness. The magnetic field of the heart encodes cardiac function in a way that complements and in some respects surpasses the electrocardiogram. The magnetic field of the brain, mapped in detail, reveals neural activity with a spatial and temporal resolution that other imaging methods cannot match.

The challenge has always been one of sensitivity. Bio magnetic signals are extraordinarily faint — many times weaker than the ambient magnetic noise of a clinical environment. Until recently, detecting them reliably required superconducting sensors operating at temperatures close to absolute zero, in heavily shielded rooms, at a cost accessible only to major research institutions.

Quantum magnetometers operating at room temperature are beginning to change this. With sensitivity approaching that of superconducting systems — but without the cryogenic infrastructure — they open a path toward portable, affordable biomagnetic diagnostics.

QMX is exploring this frontier: the application of room-temperature quantum sensing to cardiac and neural diagnostics, intending to bring the intelligence of biomagnetic signals out of the research laboratory and into clinical practice.

For investor enquiries and additional information: info@quantum-sensors.co.uk.