Statements (49)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Writing Material
|
| gptkbp:activatedBy |
gptkb:Heat
Chemical Reagents UV Light |
| gptkbp:alternativeName |
Disappearing Ink
Secret Ink Security Ink Sympathetic Ink |
| gptkbp:culture |
gptkb:Detective_Stories
Escape Rooms Magic Shows Children's Spy Kits Movies about Spies |
| gptkbp:detects |
Infrared Light
Heat Exposure Chemical Developers Special Lamps UV Light |
| https://www.w3.org/2000/01/rdf-schema#label |
Invisible Ink
|
| gptkbp:material |
gptkb:milk
gptkb:sugar gptkb:Glycerin dish Saliva Lemon Juice Baking Soda Solution Cobalt Chloride Dilute Sulfuric Acid Onion Juice Phenolphthalein Soap Water Starch Solution |
| gptkbp:relatedTo |
Cryptography
Forensic Science Magic Tricks Steganography Secret Codes |
| gptkbp:riskFactor |
Accidental Revelation
Detection by Experts Fading Over Time Paper Damage Toxicity (for some chemicals) |
| gptkbp:usedBy |
gptkb:Intelligence_Agencies
Spies |
| gptkbp:usedDuring |
gptkb:World_War_I
gptkb:World_War_II |
| gptkbp:usedFor |
Secret Writing
|
| gptkbp:bfsParent |
gptkb:Sounds_That_Can't_Be_Made
|
| gptkbp:bfsLayer |
7
|