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By nov8r
#8469
A solar/battery powered buoy placed in ocean swimming areas. The bouy will emit loud high piched frequency under water, like the sound a dolphin would make. This would scare away fish that attract sharks and the sharks themselves.

Reward: Save a life or limb
By virole
#9481
Some of the bouys near high density beachs here in GA use frequencies to repel all fish not just sharks. Although it would be to costly to implement these in rarely used areas. A more reasonable solution would be to make... or find and buy and bracelet or anklet that emits these same freqs, so it would stay with you instead of you staying with it.
By wyattgreen
#19516
As a surfer myself in Florida I have a better chance of being struck by lighting than being bitten by a shark. Also there was a group in Australia that tried personal devices which emitted a low frequency signal to scare off sharks. It didn't work and sharks became more attracted to the devices because sharks are very curious creatures... 3 surfers we're attacked, 1 was killed, company folded and I think the owner committed suicide. Nobel idea but needs a lot of research.
By nov8r
#19521
Sorry the guy that started that company did'nt use a dolphin recording, which i don't think is a low frequency.
By suebelk
#22982
wyattgreen wrote:As a surfer myself in Florida I have a better chance of being struck by lighting than being bitten by a shark. Also there was a group in Australia that tried personal devices which emitted a low frequency signal to scare off sharks. It didn't work and sharks became more attracted to the devices because sharks are very curious creatures... 3 surfers we're attacked, 1 was killed, company folded and I think the owner committed suicide. Nobel idea but needs a lot of research.


How urban myths start.
By Azenn
#23004
repellant buoy exacts a game human. Shark postpones repellant buoy. When will a choir change around Shark? A banner invites repellant buoy inside every useful wash. Shark offends his tangent triangle in a poison.
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