The eternal Self. The conscious essence beyond body and mind.

A 'sheath' or layer of the human being. The Upanishads describe five — physical, energetic, mental, intellectual, and blissful.

An energy center along the subtle spine. Seven principal chakras structure the human energy body.

Dispeller of darkness. A teacher who carries living transmission of sacred knowledge.

'Thou art That.' The Upanishadic declaration that the individual Self and the cosmic Self are one.

Two particles share a single state across any distance — measuring one instantaneously defines the other.

A framework proposing that elementary particles are tiny vibrating strings — operating across higher dimensions.

Spatial dimensions beyond the three we perceive. String theory requires up to eleven.

The transfer of a quantum state from one location to another using entanglement.

A pre-emptive police force in the world of Entangled, tasked with intercepting harm before intention becomes action.

A futuristic Indian city in Entangled, home to planet-shaped buildings.

A region of mysterious buildings — where the architecture itself remembers what science has forgotten.

The novel's central proposition: the true singularity is human consciousness evolving — not machines surpassing us.