Martian Trisilicate Electronic Key

A security device (Martian Trisilicate Electronic Key) designed for access control, distinct from sabotage tools; analyzed by the Doctor in the TARDIS laboratory

2 appearances

Purpose

To serve as a security or access control device within Ice Warrior technology systems, potentially unlocking hidden chambers or control mechanisms related to Aggedor's curse.

Significance

The key functions as the first physical evidence connecting the Ice Warriors to the sabotage, though its exact origin and intended use remain obscured. Its discovery escalates tensions between the Doctor's suspicion and Jo's diplomatic trust in the Ice Warriors, making it a catalyst for the episode's central conflict.

Appearances in the Narrative

When this object appears and how it's used

2 moments

S9E6 · The Curse of Peladon Part 2

Doctor defends Ice Warrior suspicion to Jo

The electronic key, recovered from the collapsed statue in the throne room’s corridor, becomes the focal point of investigation as the Doctor examines its material composition and origins. Its Martian trisilicate composition confirms it as Martian technology, specifically associated with the Ice Warriors. The object serves as tangible evidence shifting suspicion toward the Ice Warrior delegation in the escalating political crisis.

Before: In Jo’s possession after being recovered from the statue collapse site, its significance unknown

After: In the Doctor’s hands undergoing detailed analysis and identification

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S9E6 · The Curse of Peladon Part 2

Alarm forces abrupt end to investigation

The Martian Trisilicate Electronic Key lies abandoned on the rotating copper plate where the Doctor had been examining it. The key becomes a secondary casualty of the alarm's interruption, left unsecured as both characters rush to leave the room.

Before: Examined under rotating copper plate lighting within The Doctor's Room, center of investigation and speculation

After: Abandoned on examination surface within the evacuated room, its significance unaddressed in the sudden departure

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