Fabula
Object
Object

Lateral Molecular Rectifier

The Doctor tells Liz Shaw this device sits inside the TARDIS and can analyze the meteorite material far beyond UNIT's equipment. He dangles the promise of its advanced capabilities to erode her faith in human tech, then urges her to fetch the TARDIS key from Brigadier Lethbridge-Stewart. Liz listens intently, her scientific curiosity piqued amid the lab's sterile glow and scattered meteorite fragments.
1 appearances

Purpose

Analyzing mysterious meteorite material

Significance

Doctor deploys its existence as bait to manipulate Liz into aiding TARDIS access, cementing his cunning revival amid amnesia and highlighting the ship's irreplaceable role in the Nestene threat.

Appearances in the Narrative

When this object appears and how it's used

1 moments
S7E3 · Spearhead from Space Part 3
Doctor manipulates Liz for TARDIS access

The Lateral Molecular Rectifier is a hypothetical device the Doctor claims is housed within the TARDIS, capable of analyzing the meteorite material far beyond the capabilities of UNIT’s equipment. He introduces it as a solution to the impasse created by UNIT’s failed analyses, teasing its existence to intrigue Liz and justify his need for access to the TARDIS. The device serves as a narrative MacGuffin, symbolizing the Doctor’s superior knowledge and technology, and it becomes the linchpin of his manipulation. By positioning the rectifier as the key to unlocking the meteorite’s secrets, he leverages Liz’s scientific curiosity and frustration with UNIT’s limitations to persuade her to retrieve the TARDIS key from the Brigadier.

Before: Hypothetical and unconfirmed; the Doctor claims its existence but has not yet demonstrated it, leaving its capabilities as a tantalizing unknown.
After: Positioned as the only viable solution; Liz’s growing curiosity about the TARDIS and the Doctor’s claims about the rectifier sets the stage for her potential complicity in retrieving the key.
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