Sonic screwdriver: Difference between revisions

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*The Doctor mentions that he once had a "'''laser spanner'''" as well but that Emmaline Pankhurst took it from him. ([[DW]]: ''[[Smith and Jones]]'')
*The Doctor mentions that he once had a "'''laser spanner'''" as well but that Emmaline Pankhurst took it from him. ([[DW]]: ''[[Smith and Jones]]'')
* [[Mrs Wormwood]] was in possession of a ring called only her '''[[sonic disruptor]]''' ([[SJA]]: ''[[Enemy of the Bane]]'').
* [[Mrs Wormwood]] was in possession of a ring called only her '''[[sonic disruptor]]''' ([[SJA]]: ''[[Enemy of the Bane]]'').
* [[Jackson Lake]] carried what is most likely the most primitive iteration of the sonic screwdriver. His version was a regular [[19th century]] screwdriver which he claimed to be sonic by virtue of it making a sound when when scratched on a surface. ([[DW]]: ''[[The Next Doctor]]'')


==Technology and Functions==
==Technology and Functions==

Revision as of 20:19, 26 December 2008

The sonic screwdriver was a versatile tool and defensive weapon used by the Doctor from his second incarnation onwards.

Variants

The Doctor's sonic screwdriver

Mark I

A small, simple device similar to a penlight, first used by the Doctor in his second incarnation. (DW: Fury from the Deep)

Known uses
File:Early-sonic-screwdriver.jpg
Vintage model Sonic Screwdriver

Mark II

A larger and more elaborately detailed version, the Doctor began using this model in his third incarnation. It has yellow and black stripes. (DW: The Sea Devils).

Known uses

Mark III

The Fourth Doctor remade his sonic screwdriver into a silver version that lacked the yellow and black stripes. It was capable of extending its tip.

Mark IV

The Seventh Doctor uses a sonic screwdriver like his mark III to lock the Master in a casket. Doctor Who: The TV Movie. This is used throughout The Eighth Doctor's life.



Mark V

In his ninth incarnation the Doctor had a new model with a glowing blue laser-like beam at one end. At the beginning of his tenth incarnation his also carried this model until it was burnt out after modifying an X-Ray scanner to give off more radiation. (DW:Smith and Jones)

Known uses


Mark VI

The Tenth Doctor remade his screwdriver after the X-Ray incident. It was very similar to the Mark IV, though somewhat larger. The Tenth Doctor has stated that almost nothing could interfere with its operation, save for hairdryers. (DW: Forest of the Dead) It does not work on wood; (DW: Silence in the Library) whether this weakness is unique to this model or common to all models is unknown. A crystal similar to the crystals sought after by the Giant Spiders of Metebelis III is used in the Mark VI sonic screwdriver. (The Forgotten)

Known uses
File:Sonic Screwdriver Mark 2.jpg
The Tenth Doctor's new Sonic Screwdriver

Mark VII

In the Doctor's future, he will build a new version of the screwdriver with, in addition to the Mark V settings, red settings and damper settings. (The nature of these settings is not yet clear; however, it is suggested that a red setting is a more powerful setting than the blue one and maybe dampers reduce outside interference with the sonic - similar to a Bio damper) He gave it to River Song, both for her use and because it served as a way to save River's Data Ghost for uploading into the Library's main computer. (DW: Silence in the Library/Forest of the Dead).

Known uses
The Doctor's future screwdriver which he gave to River Song

Related Tools

  • Liz Shaw had her own sonic screwdriver, which she used to open the Doctor's TARDIS for him. (DW: Inferno)
This appeared like the Doctor's Mark II.
  • Romana constructed her own sonic screwdriver. Her version so impressed the Doctor that he attempted (unsuccessfully) to swap sonic screwdrivers with her. (DW: The Horns of Nimon)
This resembled a smaller, slimmer version of the Doctor's Mark II.

Technology and Functions

The sonic screwdriver is apparently the product of Gallifreyan technology since other Time Lords (i.e. Romana) use the device and understand it enough to construct their own versions of it. The name of the device itself suggests that it functions using soundwaves, although the actual workings of the device have never been explained. The screwdriver also seems to have a multitude of settings, along with different versions of settings, as during Army of Ghosts he tells Rose to use "setting 15B" to help him triangulate the source of the ghosts. As show in The Lazarus Experiment the device is shown to have a setting 85, (this may be the one used to open doors) though it is likely to have more.

The different versions of the Doctor's sonic screwdrivers have exhibited different capabilities and uses, such as the interception of signals ranging from transmat beams to conscious thought; medical diagnostics and repair of organic parts; cutting, but also re-attaching together materials such as barbed wire; operating Earth machinery such as computers and even cash machines (at regular and high eject speeds); creating a spark to light a candle. Although it is primarily a tool, it can also be used as a defensive weapon, such as when the Tenth Doctor put it in a sound board to destroy the Robot Santas. (DW: The Runaway Bride) However, according to the Tenth Doctor, the device cannot be used to wound, maim or kill living things. (DW: Doomsday)

Sonic screwdrivers and similar technology cannot unlock a deadlock seal. (DW: School Reunion) Some or all versions may be ineffective against wood, or in the presence of some models of hairdryers. (DW:Silence in the Library/Forest of the Dead).

Behind the Scenes

  • The tool was retired during the Fifth Doctor serial The Visitation as it was felt it had become overused. It was absent for the Sixth Doctor TV era and all of the Seventh, except in Doctor Who: The TV Movie in which the Seventh Doctor was seen to use it to lock the Master's remains away, and the Eighth Doctor recovered it at the end of the film. The tool was reintroduced with the Ninth Doctor and has become the show's most frequently used gadget besides the TARDIS itself.
  • For unexplained reasons, the Tenth Doctor's Sonic Screwdriver had a green casing in The Infinite Quest.
  • During early production of Series 1 (2005), the production crew decided to switch from their original prop to one based on the toy Sonic Screwdriver, knowing that the fans would want a properly sized "prop" based on the show. This means that the toy and the "real" Screwdriver are the same size.
  • Many websites that offer this toy state that the Sonic Screwdriver is an extention of the TARDIS, or that it contains part of the TARDIS's essence. This is unconfirmed, though given the advanced technology used to create it, as well as its seemingly endless list list of abilities, it makes sense. However, it does not take into account that the Doctor has actually had at least two, which were hand-built and modified.
  • Early conceptual art of the modern era Sonic Screwdriver feature a different "tube" section, with notes referring to "glowing organic circuitry", and a movable ball-joint on the emitter, to allow use around corners and in tight spaces. Instead of the "glowing circuitry," the actual prop and toy reproductions feature a black "swivel," like a simple helix. When given a personal copy of the concept art, David Tennant himself commented on the lack of the swiveling emitter.
  • Another early piece of concept art, similar to a simple Bitmap drawing, reveals that the black "cap" at the reverse end of the Sonic Screwdriver was intended to be an opening set of "feet," allowing the Sonic Screwdriver to plug into a section of the TARDIS console. This features was also dropped from the eventual prop model.
  • There are two main versions of the Sonic Screwdriver - one has a slide feature with button, and one which does not slide and has a fixed button. The two prop types varied each episode.

External links

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