Glow-Jelly

Bioluminescent jellyfish extract from the shores of Orubia.

Glow-jelly is the product of extracting the bioluminescence from certain species of jellyfish into solid or liquid light sources.   It has been utilised in many industries due to its non-flammable properties and bright quality of light. Bradstowe was the first city to adapt a lighthouse into a Glowhouse (technology), using heated glow-jelly as a light source to guide ships at sea.  

Fishing

The jellyfish are caught using a Jelly Trawler (vehicle) which attracts blooms to their own spectrum of luminescence by using glass rods of glow-jelly beneath the boat. Once the bloom of jellyfish are caught they are brought back to shore to be prepared for the distilling process.  

Distilling Process

  • Tentacles must be removed and disposed of with care due to risk of temporary paralysis
  • The main flesh of the jellyfish is diced and added to a water and vinegar solution which is then boiled for 7 hours
  • This is then strained and the solids are discarded
  • The liquid is evaporated to leave jelly powder (which does not glow in this form)
  When jelly powder is dissolved in hot water it releases a glow of light and can be used in pipes to provide a source of light.   The hotter the water is, the brighter the glow will be. If this subsance cools too much it will solidify into a wobbly jelly-like substance that will only emit a dull glow. Once reheated it will resume a liquid form and be super bright again.   Glow-jelly has an unpleasant fishy odour, so some products are mixed with essential oils to mask the scent. If left in an unsealed environment, glow-jelly will go rotten and decompose.  

Properties and uses

Substance/Form Uses
Jellyfish tentacles used as an ingredient in paralytic poison - sold illegally on the black market
Jelly powder if ingested will cause great sickness and constipation, ending in the excretion of large glowing feces - it is not recommended to consume Jelly in any form or quantity
Glow-jelly (heated liquid form) used as a light source if kept at optimum temperature and moving, can be integrated into heating system pipes with glass pipe sections to provide heat and light simultaneously   can be mixed with ink and applied as a tattoo but will only provide a dim glow beneath the skin
Glow-jelly (solid form) stored in glass vessels as a source of dim light (safe to use in mines or near flammable materials)   artists can paint with Jelly mixed in adhesive to create artwork that has a faint glow   smearing Jelly on skin will glow brighter if your body is warmer - often done in celebratory customs and festivals
Glow-jelly Lamp
Glow-jelly Lamp concept by TJ Trewin


Cover image: by TJ Trewin

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