Antlion Detector

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"This sensor will light up if an antlion is coming down this tunnel. More lights mean more antlions. When a tunnel lights up, we move a few turrets in front of it. Pretty simple, eh, doc?"

―Sheckley^[src]

The Antlion Detector is a Resistance device detecting approaching objects.

Overview

Used in the Victory Mine by Griggs and Sheckley mostly to detect approaching Antlions, the contraption includes three traffic lights connected to a sensor. When it detects vibrations/movement, the lights and an alarm activate. The more vibration/movement, the more lights.

For some reason, it senses all movement, as Vortigaunts and Gordon can set it off too.

Gallery

List of appearances

Half-Life 2: Episode Two (First appearance)

Technology
Aperture Science	1500 Megawatt Heavy Duty Super-Colliding Super Button • Advanced Knee Replacement • Aerial Faith Plate • Announcement System • ATLAS and P-body • Borealis • Core Input Receptacle • Crusher • Edgeless Safety Cube Receptacle • Edgeless Safety Cube • Emergency Intelligence Incinerator • Excursion Funnel • Frankenturret • Futbol (cut) • GLaDOS • Hard Light Bridge • High Energy Pellet • Jerry • Laser Field • Long Fall Boot • Material Emancipation Grill • Military Android • Mobility Gels: Conversion Gel / Propulsion Gel / Repulsion Gel • Multitasking Arm • Nanobot • Panel • Party Escort Bot • Personality Construct • Pipe Network • Pneumatic Diversity Vent • Cube Button • Radio • Reassembly Machine • Relaxation Vault • Robot Enrichment • Robot Worker • Scaling Cube • Security Camera • Shredder • Speaker System • Stasis Chamber • Sticking Gel (cut) • Switch • Teleportation • Thermal Discouragement Beam • Unstationary Scaffold • Victory Lift • Vital Apparatus Vent • Weighted Pivot Cube • Weighted Storage Cube • Wheatley
Black Mesa	Anti-Mass Spectrometer • Battery • Black Mesa Announcement System • Charger • Cleansuit • Delivery cart • Emergency flare (cut) • HEV Suit • Holographic Assistant • Long Jump Module • Medkit • The Mesa Times • MTM 8 • Oxygen Bottles (cut) • Powerup Bottles (cut) • Retinal scanner • Satellite Delivery Rocket • Security Card (cut) • Armor Vest and Helmet • Teleportation • Vehicles • Weapon Box • Weapons
Black Ops	Cloaking device • Weapons
Combine	Battery • Breencast • Charger • Citadel Core • Citadel • Barricade • Binoculars • Binoculars (cut) • Bunker • Camera • Cell • Combine Assassin tank (cut) • Combine Big Momma Pod (cut) • Confiscation Field • Dark Energy • Depot • Dispenser • Door lock • Door Tower (cut) • Dr. Breen's Private Reserve • Elevator • Emergency flare • Emitter • Energy Ball • Field Bridge • Force Field • Heavy Door • Heel Springs (cut) • Interface • Light • Medkit • Memory Replacement • Monitor • Overwatch Voice • Power Generator • Restrictor • Security Door • Smart Barrier • Supply Crate • Suppression Field • Teleportation • Television • The Terminal • Vehicles • Watchtower • Weapons • Vorti-Cell (cut)
Resistance	Borealis (cut) • Car battery • Communication • Antlion Detector • Dog • EMP Tool • Fire Extinguisher (cut) • Generator trailer • Drawbridge • Retinal scanner • Supply Crate • Teleportation • Television • Transponder • Vehicles • Weapons • White Forest rocket
Xen	Healing Shower • Thumper
HECU	Powered Combat Vest • Radio • Tactical Map • Welding Torch
Other	Garden Gnome

The Resistance
Leaders / key members	Barney Calhoun • Odessa Cubbage • Gordon Freeman • Isaac Kleiner • Arne Magnusson • Eli Maxwell (cut) • Helena Mossman (cut) • Judith Mossman • Odell (cut) • Russell • Vance (cut) • Alyx Vance • Eli Vance
Minor members	All-Knowing Vortigaunt • Animal (cut) • Consoling Couple • Dog • Father Grigori • Griggs • Johanson (cut) • Lamarr • Laszlo • Leon • Mambridge (cut) • MIRT • Olga • Peters (cut) • Sandy • Sheckley • Skitch (cut) • Unidentified deaf character (cut) • Uriah • Victory Mine Vortigaunt
Weapons	Alyx's Pistol • Brickbat (cut) • Colt Python • Crossbow • Crowbar • Flare Gun (cut) • Ice Axe (cut) • Magnusson Device • Molotov Cocktail (cut) • Pheropods • Physgun (cut) • RPG • Ravenholm traps • Tau Cannon • Zero Point Energy Field Manipulator • Socket Wrench (cut)
Vehicles	Airboat • Borealis (cut) • C-130 (cut) • Jet Ski (cut) • Jalopy (cut) • Mil Mi-8 • Muscle Car • Scout Car • Submarine (cut) • V-22 Osprey (cut)
Technology	Car battery • Communication • Antlion Detector • Dog • EMP Tool • Fire Extinguisher (cut) • Generator trailer • Drawbridge • Retinal scanner • Supply Crate • Teleportation • Television • Transponder • White Forest rocket
Locations	Black Mesa East • Bridge Point • Dock 137 • Kleiner's Lab • Lighthouse Point • New Little Odessa • Radio Tower • Ravenholm • Shorepoint Base • Station 6 • Station 7 • Station 8 • Station 9 • Station 12 • Station 21 • Underground Railroad • Victory Mine • Vortigaunt Camp • White Forest • The White Forest Inn • See cut locations
Other	Conscripts (cut) • Lambda logo • Vortigaunt • Vance (cut) • Citizen • Children • Lamarr

Antlions
Antlions	Antlion • Grub • Guard • Guardian • King (cut) • Rollergrub (cut) • Soldier • Worker
Other	Antlion Detector • Antlion Hill • Pheropods • Victory Mine

Overview

Gallery

List of appearances

Fan Feed