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Sharks with Spearguns.
 
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This is an add on to my Remote Contol Shark idea. in which I noted that because sharks migrate by following geomagnetig lines on the oceans floor, sharks could be led buy humans on whatever course we like if we introduce a stronger marnetic pathway.

Of course once you get the sharks where you want them it is important that they be capably armed. While you might recall sharks with lasers has already been suggested. I did some research and lasres do not perform well under water.whereas harppons are not only a proven weapon for the marine environment they are also mobile and require no power source.

—bob, Feb 17 2019

Remote control sharks Shark_20Whistle
[bob, Feb 17 2019]

LASRE https://en.wikipedi...ke_SR-71_Experiment
Does not perform well underwater. [notexactly, Feb 23 2019]

Some short video of LASRE test run in lab https://web.archive...dium/EM-0018-02.mpg
but no soundtrack..luddites [not_morrison_rm, Feb 23 2019]

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       [marked-for-spellcheck]   

       // require no power source. //   

       Spearguns use either gas pressure, springs, or tensioned elastomers as energy storage to propel the projectile.   

       Because of square-law, a heavy projectile with a small cross sectional area and a low velocity, moving through a dense medium such as water, will retain its energy better than a light, fast projectile. But the effective range is still very limited.
—8th of 7, Feb 17 2019
   

       My wife is the most effective harppon weapon I know.
—RayfordSteele, Feb 17 2019
   

       The Anti -Spelling -Punctuation -Grammar Force is strong with this one. Headache I have.   

       And aren't sharks, a well-known predator, already armed to the teeth with teeth?   

       Arm the gentle prey. I've always thought the deer should have rifles, to make it fair when the citiots (city idiots) come up north for the annual autumn waste of ammo.
—Sgt Teacup, Feb 18 2019
   

       Interesting. I thought this was an idea for a movie...
—saker, Feb 18 2019
   

       Sharknerdo!...
...this time it's arsenal.		   

       ArseNLL!
ArseNLL!
Arse ... Sorry, wrong context.
—pertinax, Feb 18 2019
   

       I like the idea of a 'marnetic pathway' and wonder if this is a type of magnetic marmite?
—xenzag, Feb 18 2019
   

       Hmmm, tasty savoury ferrofluid ...
—8th of 7, Feb 18 2019
   

       Of course, [bob], this idea does rather assume that sharks are controlled by these pathways, rather than merely guided by them. In fact, sharks also have other senses, and may be more intelligent than you [... pauses, and then charitably adds ...] think.
—pertinax, Feb 18 2019
   

       One other option is sharks firing smaller sharks strapped to the spears at prey.   

       Firing bigger sharks would have more recoil and the bigger sharks would just snaffle the lot anyway.   

       Wait...if the shark could fire two larger sharks in opposite directions, the recoil-ess shark(s) gun is created. Gives self a [+]
—not_morrison_rm, Feb 23 2019
   


 

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