Discover a Game-Changing Sticky Expanding Liquid for Trapping Objects

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Discussion Overview

The discussion revolves around the concept of creating a sticky expanding liquid that could trap objects, combining elements of quicksand and glue. Participants explore theoretical applications, potential materials, and existing technologies related to this idea.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant proposes a sticky expanding liquid that could be deployed from the sky or used in a pit to trap objects, likening it to a human version of fly trap tape.
  • Another participant mentions polyurethane foam as a potential material related to the concept.
  • A different participant references ongoing developments in similar technologies, including a net with adhesive properties and a liquid that polymerizes upon contact with air, though they note that it has not been perfected or deployed in the field.
  • Another participant introduces the idea of auxetic materials, which have a negative Poisson's ratio and absorb energy upon compression, suggesting a possible connection to the trapping concept.

Areas of Agreement / Disagreement

Participants express various ideas and materials related to the concept, but there is no consensus on a specific solution or approach. Multiple competing views and technologies are discussed without resolution.

Contextual Notes

Some limitations include the lack of detailed descriptions of the proposed materials and their properties, as well as the uncertainty regarding the effectiveness and safety of the discussed technologies.

Who May Find This Useful

This discussion may be of interest to those exploring innovative materials in engineering, military applications, or anyone interested in the intersection of physics and material science.

Lancer2death
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Hi I am new to physics and this website so forgive me if I am n the wrong section and kind of slow.
Would it be possible to make some kind of sticky expanding liquid for trapping things in. I am thinking of a combination of quicksand and glue. This would be something that would be in a pit or you would drop it from the sky and it would dispurs upon impact, expanding and getting everything stuck in it. Think of human form of sticky fly trap tape that can be used by an army.
P..s. sorry if this violates theu dangerous chemicals rule
 
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polyurethane foam
 
Lancer! Aha, we meet again!
There has actually been something of the sort in development for quite a while, but I don't think that it has been perfected yet. At least, I've never heard of it being deployed in the field.
There were a few different approaches being investigated. One was a large net with or without an adhesive coating. The one that your post most reminds me of, though, is something along the lines of an aerogel mixed with some sticky stuff. If I recall correctly, it gets sprayed out as a liquid and then polymerizes upon contact with air.
I regret that my memory fails me, so I can't help you.
 
Hello again danger! I am glad I am in good hands. Its okay that u can't remember. I will research what u have listed alrdy. Tygerdawg I looked up the foam . It looks cool and close to what I am thinking
 
Hey Lancer,

I've read a bit about auxetic materials being developed by the military in body armour to absorb the impact of bullets and such, which is a similar concept to what you describe.

Auxetic materials have a negative Poisson's ratio, i.e. the contract under compression rather than expand, absorbing more energy. Quite a good poster by Uni of Southamption here:
http://www.southampton.ac.uk/ncats/Downloads/nCATS%20Launch%20Posters/highstrainmaterialsforbodyarmouricrcksfwjwrw.pdf

Could this be useful?
 
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