Governing Circuit

This circuit is part of the TARDIS's Main Space-Time Element. TARDISes are built not to change history and this circuit is designed to prevent the operator from breaking the First, Second, Third, and Fourth Laws of Time. These protocols are not physical laws per se, but rather something built into the Governing Circuits of all Gallifreyan time travel technology. The Third Law of Time prevents anyone from traveling into Gallifrey's past, and ensure that a Time Lords personal time is always synchronized with Gallifrey's time. It also ensures that Time Lords will be synchronized when the meet outside of Gallifrey.

It takes a major surge of power from the Prime Eye of Harmony to override this circuit (this must be authorized by the High Council). Despite this, a clever Time Lord will find these limitations easy to avoid.

Color Key

The following color code is used:

Copyright Will B Swift


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