Positronium

Positronium (Ps); abbreviation "Posit". Not a chemical compound — an exotic atom (bound electron + positron pair). No PubChem CID, no CAS number. · Anti Matter; Positronium; Posit

Modern MM

A modern imponderable remedy whose sphere of action, as drawn from its 1998 proving, centres on the psyche: a polarity between light/spiritual and dark/despairing states, themes of annihilation, destruction and sacrifice, oppression and isolation, recurrence of the number three, and imagery connected with matter, anti-matter and the cosmos. Physical symptoms (heart, chest, head/neck, limbs) are secondary and proving-derived.

Key symptoms

Polarity of light/spiritual versus dark/despairing states; fear and fascination of death — "being hunted, running scared." Sense of annihilation, destruction and sacrifice; feelings of evil/malevolence; aggression alternating with passivity. Heavy oppression, alienation and isolation — friendless, vulnerable, unsure. Recurrence of the number three in dreams and waking life. Imagery of matter / anti-matter and the cosmos. Physicals: heart pathology with palpitation / irregular heartbeat and breathlessness, weakness and trembling (trembling hands), restricted limb movement, downward pressure in skull and down the back of the neck. (All from the 1998 proving.)

Worse (aggravation)

No reliably established physical modalities. The proving notes a sense of being "pulled in two" and downward pressure (skull, neck); recurrence around the number three is a proving theme rather than a true aggravation. Modalities are not well characterised — do not over-specify.

Better (amelioration)

Not well established. Some provers described a return to a light/spiritual, connected pole after passing through darker states; this is thematic, not a verified clinical amelioration.

Manohar V Nagaiah

Materia Medica of Modern Homeopathic Medicine · 2026

Anti Matter; Positronium; Posit

Source & Nature

Positronium is an imponderable homeopathic remedy — prepared from radiation rather than from any weighable substance. Physically, positronium is an exotic atom in which an electron and its antiparticle, a positron, orbit their common centre of mass with no nucleus. It is intensely unstable: para-positronium annihilates in about 0.12 nanoseconds into two 511 keV gamma photons, ortho-positronium in about 142 nanoseconds into three photons, the electron-positron pair converting entirely into 1022 keV of gamma radiation.

It was predicted by Stjepan Mohorovičić (1934) and discovered by Martin Deutsch at MIT in 1951. It has no commercial chemical use; positron annihilation is, however, the basis of PET medical imaging and of positron methods in materials science. In homeopathy it is classed among the Imponderabilia, sub-group “Physical Radiation / Fields.”

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Classical texts are in the public domain. Educational reference only — not medical advice.