Shield

A shield, also known as shielding, (TV: Sleep No More) was used to protect people and places (TV: The Daleks' Master Plan, Planet of the Spiders, et al.) from danger (TV: The Mind Robber ^[+]Loading...["The Mind Robber (TV story)"]). They could be used to keep people safe (TV: Nikola Tesla's Night of Terror) or prevent scanning or detection (TV: The Poison Sky).

Types of shields

Types of shields included:

Anti-magnetic shields, (TV: The Wheel in Space)
Meson shields, (TV: The Wheel in Space)
Polished shields, (TV: The Mind Robber ^[+]Loading...["The Mind Robber (TV story)"])
Heat shields, (TV: Inferno et al.)
Innocence, (TV: Planet of the Spiders)
Security shields, (TV: The Invasion of Time)
Hyperspatial force shields, (TV: The Pirate Planet)
Defence shields, (TV: The Horns of Nimon)
Vortex shields, (TV: Shada)
Baryon and anti-baryon shields, (TV: The Leisure Hive)
Magnetic shields, (TV: Four to Doomsday et al.)
Bulkhead shields, (TV: Earthshock)
Vacuum shields, (TV: Enlightenment)
Deflector shields, (TV: Timelash)
Emergency shields, (TV: The Satan Pit)
Oxygen shields, (TV: Voyage of the Damned)
Outer shields, (TV: The Impossible Astronaut)
Trees, (TV: In the Forest of the Night)
Gravity shields, (TV: Sleep No More)
Planetary shields, (TV: The Vanquishers)
Cloaking shields, (TV: The Power of the Doctor) and
Consciousness shields. (TV: The Power of the Doctor)

Other things that could be used as shields included humans such as Claire Clairmont. (TV: The Haunting of Villa Diodati)

The mythical Perseus escaped Medusa by looking at her reflection in his polished shield. (TV: The Mind Robber ^[+]Loading...["The Mind Robber (TV story)"])

Shields were used by Sontarans, including General Ignatius Antias Salutio and Commander Caecilius Crassus Procullus, who thought they were Romans in Ireland in 55 BC. (AUDIO: The Battle of Giant's Causeway ^[+]Loading...["The Battle of Giant's Causeway (audio story)"])