Re: Low Cost Hydrogen is here to stay

On Dec 13, 7:04 pm, "gdewi...@xxxxxxxxx" <gdewi...@xxxxxxxxx> wrote:
On Dec 11, 11:59 pm, Willie.Moo...@xxxxxxxxx wrote:

If not I doubt you would have
delivered to you via EMF enough energy to your heart to cause it
problems.

You doubt the army has anything that can kill people.

I didn't say that. I said that delivering the amount of energy to
your heart muscle that say a defribillator delivers - via EMF -
several meters away - is a HUGE EMF pulse! It would be equally deadly
to EVERYONE within the same radius - including the 'shooter' -

It is an interesting technical challenge.

I purchased btw a company a few years ago that makes a device that
takes pictures INSIDE the body using microwaves - sort of like ultra-
sound - but microwaves. Ultrasound looks at the acoustical impedance
of tissues - and can easily give boundaries between soft and hard
tissues. Microwaves pick out electrical impedance and can give some
idea of electro-chemical processes in the body. Still a research
topic, no practical systems yet. One of the issues is antennae size.
Even short microwaves need 'eyes the size of wagon wheels' as Carl
Sagan said once. Which is okay. We worked briefly with Batelle
Memorial Institute in Columbus Ohio and they worked on using the
technology to look for explosives automatically in luggage.

http://www.pnl.gov/main/publications/external/technical_reports/PNNL-15577.pdf
http://www.cnde.iastate.edu/QNDEDatabase/Vol.%2015/SESSION4.DOC

One of the big issues with something the size of a book, which you
said, is lack of directionality and leakage of energy. Something that
could deliver the energy of defribrillator to your heart via
microwaves from

http://en.wikipedia.org/wiki/Defibrillation

200 Joules delivered at say 20 meters - means 80 kilojoules at 1 meter
with 1/r2 falloff and 8 mega joules at 10 cm, and 800 megajoules at 1
cm.

Setting aside the lack of secondary effects that I mentioned which
would suggest powerful EMP pulses capable of delivering defribrillator
type charges to the heart (itchy skin, sunburn type peeling, people
affected nearby, flickering lights, computer crashes, cell phone hang
ups (or fried), cars stalling) and ignoring for a minute that an EMP
type 'gun' would be just as deadly to the operator (perhaps a faraday
cage type vest. How could this much energy and power be delivered
from a compact device?

One idea would be some sort of shaped charge that would blow a copper
plasma through a powerful magnetic field

http://en.wikipedia.org/wiki/Shaped_charge

That is, instead of shooting a copper plasma through armor, shooting a
shaped plasma charge through a magnetic field would produce a powerful
EMP -

http://en.wikipedia.org/wiki/HMX

7.4 MJ/kg and 1.91 kg per liter. 9,100 m/sec explosive velocity. A
kg of copper moving at 9,100 m/sec contains 41 MJ and would require
something like 5 kg of HMX to get it going. A 6 kg round - over 13
pounds - produces 40 MJ - 5 kg of HMX going off would be quite
noticeable!

Going the other way, assuming we can get the EMP burst to flow laser
like right to the heart muscle with zero dispersion and loss - then we
only need say 4 kilojoule to deliver 200 joules to the heart muscle.
This reduces the energy to 1/10,000th the earlier example, reduces
side effects, (but not BEHIND the target and not blistering of the
skin, and heating (to the ponit of flammability) of synthetic fibers,
etc.) and the mass of HMX falls from 5 kg to 0.5 grams - smaller than
an aspirin tablet, and the copper lining to 0.1 grams - 100 milligrams
- again the whole charge is smaller than an aspirin tablet, something
like that, perhaps an array of them - through some sort of micro-wave
holographic diffraction grating - could be discharged - but they'd pop
like shot gun blasts.


How naive!


You are being disingenuous. Its insanity to conclude that I believe
what you said I believe merely because I doubt your story about a
micro-wave based defribillator designed to cause myocardial infarction
based on what YOU said.

Tell me, is doubt a great emotion to live in?

This makes even less sense than your last statement. All armies have
weapons Doubting the existence of EMF based defribrillators that
operate at a distance in the manner you describe is NOT the same as
saying armies don't have weapons. Its insanity to make that
connetion.
.

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