Questions tagged [defense]

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5 votes
1 answer

Underwater motion detector

Citizens of an underwater city along the Ring of Fire are trying to protect a 50kg object. The object is housed in an underground cavern near the city. How can motion be passively detected in or near ...
0 votes
8 answers

How would a medieval village protect themselves from invisible monsters? [closed]

How would a village of medieval-like technology protect themselves from rhino sized invisible praying mantis-like monsters? Context and details: The praying mantis’s have a top speed of 40 mph and ...
8 votes
7 answers

How would the police protect against magic users?

In this setting, magic and the supernatural is real and acknowledged by wider society. Magic is a relatively rare ability; while it is still an issue to think about, it is too rare to expect all ...
-1 votes
4 answers

How Can River Nomads Protect Themselves?

A tribe of peripatetic nomads (Think Travelers or Romani rather than Mongols) ply their trade along a vast stretch of river, profiting as merchants, moneylenders and cargo haulers for an ...
-2 votes
4 answers

How would an infantry army deal with infantry with shields? [closed]

Scenario: In a future conflict, one of the BRICS nation's infantry have effectively fielded personal shields, with medium long-term mobility. The logistics of the shield is such a way that every ...
2 votes
2 answers

How Can Medieval People Defend Themselves Against Plopup?

Okay, so if you don't know what Plopup are, they are aptly explained in this link here. Plopup are a particular problem, as their speed, durability, regenerative capacity, and shapeshifting abilities ...
-3 votes
1 answer

Why dummy skyscrapers used to trap large monsters are being demolished one by one? [closed]

Occasionally a large monster as tall as Empire State Building would emerge from the sea and goes into a rampage as it moves inland, we know this city lies in the middle of their migratory path and ...
27 votes
12 answers

Deflecting an incoming star, railgun style

A friend of mine, ɹɐqooɟ, lives in a large globular cluster where stellar encounters and collisions are very common. His civilization is a Type 1.8 civilization, having built half of a Dyson Sphere ...
3 votes
3 answers

Nymphs and Mermaids: Sinister Seas

This is a follow-up to Nymphs and Humans: Preventing Anarchy and concerns one of the most dangerous species in the realm of fantasy: mermaids. While surfing WB.SE I found this question and realized a ...
4 votes
3 answers

How effective would the White House serve as a fortress or makeshift Forward Operating Base/FOB?

So in my world, the entire White House area has been turned into a small fortress/FOB. Due to the post-apocalyptic dystopian state of my world what with zombies, breakaway secessionist states, hostile ...
8 votes
4 answers

Can PDCs stop a railgun attack?

Deep in space a colony ship continues to accelerate unaware of the volley of railgun rounds hurtling towards it. As the light from the attack reaches the bridge the PDCs (Point defense cannons) are ...