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: ). 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: )
* 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)
== History ==
The mythical Perseus escaped Medusa by looking at her reflection in his polished shield. (TV: )
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: )
Category:Safety
Category:Weapons from the real world