<INTERFACE 2037 READY FOR INQUIRY>
The science officer’s observation blister serves as a visual metaphor for the character, who often silently observes the crew members while serving the whims of his unseen masters.
In the post linked below, Valaquen takes a peek into the evolution of the blister as a story point.
<INTERFACE 2037 DISCONNECT>
Ash’s blister, as it is identified in the script by Walter Hill & David Giler, is, from the outside, a small glassy protuberance on the belly of the Nostromo. The compartment first appear…
Read the rest at: Ash’s Blister