Ideas for a possible Shield upgrade

Ideas for a possible Shield
upgrade
1
Poly Castle
Water tank
Pros:
Simple
Cheap, can act as veto
Cons:
Costs
Design, purification,
generally difficult
Possible “hybrid” idea: water castle
2
Custom made?
www.plastic-mart.com etc…
3
UPGRADE : ACTIVE SHIELD
4
5
Idea: Evaluate the impact of ~50 cm additional water shield, possibly instrumented
6