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Ultrasonic Weapons

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Has anyone built ultrasonic weapons like the ones at The Free Information Society under the electronics section? They look really cool and can supposedly cause feelings of nausea and even vomiting :eek:

There's been talk about using them to suppress football hooligans.

i am not sure if they were gonna use ultra sonic to do that. more like ultra sub sonic.. really really high wavelenghts. makes u feel quesy, and can induce nausea.

I`ve experimented with infrasonics and vortex lenses, they can also cause feelings of nausea and unrest, but I wouldn`t go so far as to call the stuff I used a "weapon" more of a scientific curiosity experiment, some interesting effects though, especialy with sympathetic resonance over a distance :)

they seem like a good way to restrain large number of ppple though

There was some experimentation with ultra-low frequences as a method of crowd-control; finding the resonating frequency of the stomach and hence making people very ill.

 

If I remember correctly, the only problem was that it tended to kill people because the resonating frequency of the heart was very similar.

I would think this would be good for protests or as a method of execution. :eek:

probably quite painful, cos it causes the heart to vibrate rapidly and explode inside the chest with such force that it cracks the rib cage apart.

probably quite painful, cos it causes the heart to vibrate rapidly and explode inside the chest with such force that it cracks the rib cage apart.

Definitely a terrorist weapon.Anyone know the range of such a weapon?

your idea of a "bomb" isn`t a bad one, there`s no reason at all that such a device MUST be electricaly powered, I can hear a baritone tuba quite well and loud, it could be quite possible to contain a small explosion, and use the gasses through a resonator to great effect!

 

just an idea :)

i heard that if u fill a water tight metal compartment with water, and seal it , so that it has only water init. then you cool it down below freezing temp. the metal box will explode with ferocious power. is that true?

i heard that if u fill a water tight metal compartment with water, and seal it , so that it has only water init. then you cool it down below freezing temp. the metal box will explode with ferocious power. is that true?
I suppose it would if you could freeze it instantly. The water would expand as it freezes because water molecules in crystals take up more space than they do in liquid form. The box wouldn't be able to contain it and would break apart. How violently would depend on how quickly the water was frozen. If you froze it gradually the box would break apart gradually.

there are several different types of ice latice structure though, so you may just end up making Ice 2 or ice 3 as a result and no explosion.

there are several different types of ice latice structure though, so you may just end up making Ice 2 or ice 3 as a result and no explosion.

Wait, what exactly is Ice 2 /ice 3???

different versions of the latest ATI graphics cards.

What?I thought the new ones are the X800 technology,or the 9800.

i dont know if its commercially available yet. they must have given the the one off to the reviewers.

i dont know if its commercially available yet. they must have given the the one off to the reviewers.

Probably around 499.95 Id say.Or more.

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