Arc Reactor
E349925
Marvel Comics technology
Stark Industries technology
fictional energy source
fictional power generator
The Arc Reactor is a fictional, compact clean-energy power source in the Marvel universe that Tony Stark designs to sustain his life and fuel his Iron Man armor.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Arc Reactor canonical | 3 |
| Arc Reactor (MCU) | 1 |
| Stark Tower arc reactor | 1 |
| Tony Stark's first chest-mounted arc reactor | 1 |
| palladium-core Arc Reactor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3342016 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arc Reactor Context triple: [Tony Stark, powerSourceOfArmor, Arc Reactor]
-
A.
Thunderbolt
Thunderbolt is a high-speed hardware interface standard developed by Intel and Apple that combines data, video, audio, and power transmission over a single cable, commonly used for connecting peripherals to computers.
-
B.
Thunderbolt
Thunderbolt is the famed epithet of the Ottoman sultan Bayezid I, highlighting his exceptional speed and decisiveness in military campaigns.
-
C.
J.A.R.V.I.S.
J.A.R.V.I.S. is the advanced artificial intelligence system created by Tony Stark in the Marvel Cinematic Universe that manages his technology and later evolves into the superhero Vision.
-
D.
Ultron
Ultron is a powerful, self-aware artificial intelligence supervillain in the Marvel universe who seeks to eradicate humanity to achieve what he believes is global peace.
-
E.
Super-Soldier Formula
The Super-Soldier Formula is a fictional Marvel Comics biochemical treatment that enhances a human’s physical and mental abilities to peak or superhuman levels, most famously used to transform Steve Rogers into Captain America.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Arc Reactor Target entity description: The Arc Reactor is a fictional, compact clean-energy power source in the Marvel universe that Tony Stark designs to sustain his life and fuel his Iron Man armor.
-
A.
Thunderbolt
Thunderbolt is a high-speed hardware interface standard developed by Intel and Apple that combines data, video, audio, and power transmission over a single cable, commonly used for connecting peripherals to computers.
-
B.
Thunderbolt
Thunderbolt is the famed epithet of the Ottoman sultan Bayezid I, highlighting his exceptional speed and decisiveness in military campaigns.
-
C.
J.A.R.V.I.S.
J.A.R.V.I.S. is the advanced artificial intelligence system created by Tony Stark in the Marvel Cinematic Universe that manages his technology and later evolves into the superhero Vision.
-
D.
Ultron
Ultron is a powerful, self-aware artificial intelligence supervillain in the Marvel universe who seeks to eradicate humanity to achieve what he believes is global peace.
-
E.
Super-Soldier Formula
The Super-Soldier Formula is a fictional Marvel Comics biochemical treatment that enhances a human’s physical and mental abilities to peak or superhuman levels, most famously used to transform Steve Rogers into Captain America.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Marvel Comics technology
ⓘ
Stark Industries technology ⓘ fictional energy source ⓘ fictional power generator ⓘ |
| appearsIn |
Marvel Cinematic Universe
ⓘ
Marvel Comics ⓘ |
| associatedWith |
Iron Man
ⓘ
Stark Industries ⓘ Tony Stark ⓘ |
| coDeveloper |
Anton Vanko
ⓘ
Howard Stark ⓘ |
| componentOf |
Iron Man life-support system
ⓘ
Iron Man weapons systems ⓘ |
| creator | Tony Stark ⓘ |
| energyType |
clean energy
ⓘ
sustainable energy ⓘ |
| fictionalStatus | not real-world technology ⓘ |
| fictionalTechnologyType |
fusion reactor
ⓘ
miniaturized reactor ⓘ |
| fictionalUniverse | Marvel Universe ⓘ |
| firstAppearanceWork |
Iron Man (2008 film)
ⓘ
linked to:
Iron Man
|
| inUniverseLocation |
Stark Industries facilities
ⓘ
Tony Stark’s chest ⓘ |
| keyFeature |
compact size
ⓘ
high energy output ⓘ low apparent emissions ⓘ miniaturized fusion-like reactor ⓘ |
| medium |
comic books
ⓘ
film ⓘ |
| narrativeFunction |
life-support device for Tony Stark
ⓘ
power source for Iron Man armor ⓘ |
| notableVariant |
new element-core Arc Reactor
ⓘ
palladium-core Arc Reactor ⓘ
linked to:
Arc Reactor
|
| powerSourceFor |
Iron Man armor
ⓘ
Mark I armor ⓘ Mark II armor ⓘ Mark III armor ⓘ subsequent Iron Man suits ⓘ |
| problemInStory | palladium poisoning of Tony Stark ⓘ |
| purpose |
to demonstrate clean energy technology
ⓘ
to power advanced weapons systems ⓘ to power electromagnet in Tony Stark’s chest ⓘ to prevent shrapnel from reaching Tony Stark’s heart ⓘ |
| solutionInStory | synthesis of a new element to replace palladium ⓘ |
| symbolizes |
Tony Stark’s heart
ⓘ
clean energy future ⓘ technological innovation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Arc Reactor Description of subject: The Arc Reactor is a fictional, compact clean-energy power source in the Marvel universe that Tony Stark designs to sustain his life and fuel his Iron Man armor.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Arc Reactor
linked to: Arc Reactor
subject linked to:
Iron Patriot armor
linked to: Arc Reactor