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When Aluminum metal is intensely smashed and shattered
or it otherwise burns in air, it emits Bright White LIGHT.
Aluminum bullets travelling at very high fps (mph) shatter/splatter completely,
and almost the entire mass bursts into burning particles, and are thus such
are called "pyrophoric". Depleted Uranium "Kenetic Energy" projectiles
are also notoriously pyrophoric upon their impact-disintegration.
The key to producing the flash is the generation of the tiny particles
of (heated) metal in air. In the case of bullets, the small projectile
must itself contain all the (kenetic) energy needed to shatter/splatter itself,
thus speeds of about 3,000 fps are required to impart the necessary energy
to a small mass such as an aluminum bullet.
1fps. = .681mph.
1mph. = 1.46fps.
"The 'vaporific effect' refers to the flash fire observed with the impact
of high velocity projectiles against metallic targets. The impact produces
small, finely divided particles originating from either the projectile,
the target, or both. These particles are heated by the impact forces
and can burn in the presence of air (oxidizer).
The result is a metal-dust-type explosion....
http://www.blazetech.com/.../vaporific_effects.html
It requires only a very small amount of burning Aluminum metal to emit
a white light momentarily brighter than the Sun: "Flash powder".
Aluminum or magnesium powder mixed with an oxidizer results in a
"flash powder" that can be used to generate a bright flash of light
and a loud bang. Flash powder can be used as a light source for
night photography."
http://www.vectorsite.net/ttpyro_2.html
Similarly, an aluminum "cotton" fiber was used in older "flash cubes"
to simulate sunlight for cameras.
A large piece of aluminum moving at a lesser speed than that speed
which completely and entirely shatters/splatters the whole mass
of the aluminum metal, is also likely to emit some aluminum particles
and hence a flash of light, at the leading point of impact,
because the whole mass of the rigid metal object contributes energy
to shatter/splatter the smaller mass of aluminum
at the leading point of impact.
General Partin says vonKleist omits the most obvious explanation.
"It's very simple," he told The New American,
"When the noses of the aircraft hit the buildings,
you have a bright aluminum flash, the same as we saw at the Pentagon.
That's obvious to anyone familiar with physics, chemistry,
and what happens when aluminum hits a structure at a high rate of speed."
And the proof of that analysis, the general points out, is in vonKleist's
own video. "If you watch just a few frames after the nose flash,
you'll see two smaller aluminum flashes as each engine strikes the building.
That's all it is."
http://www.thenewamerican.com/artman/publish/printer_1253.shtml
At this link is a video of a small "F4" aircraft on a track crashing
in a test to assess the safety of a nulcear reactor.
http://www.jokaroo.com/extremevideos/plane_vs_wall.html
The F4 plane apparently has a non-aluminum nose-cone,
however when the first metal (aluminum?) part of the nose strikes
the concrete wall, a small White Flash of light is distinctly visible
in the video (see the especially the second view with the aircraft
approaching from the right).
Although "aluminum flash" is easily and typically observed with small
projectiles (bullets) at self-shattering/splattering speeds
(e.g., above 3000 fps), if you strike a small piece of aluminum metal
between two very heavy masses, (for example between an iron building
and an aircraft traveling 500mph), some of the aluminum metal squashed
between these rigid masses will be intensely heated and ejected
as small hot particles which will ignite in the air, producing a bright flash
of Light. The large masses (moving relatively towards each other)
provide the additional energy necessary to shatter/splatter
the smaller amount of aluminum and to produce the ejected particles
that burn in air and emit white light.
Impact-flashes of aluminum aircraft are considered to be commonplace
by experts like "General Partin", and given the obvious ignorance and bias
of most of the writers and "scholars" among the 9-11 Historical Revisionists
...
I have no reason to believe that such impact flashes are not commonplace.
[To the right] are images capturing impact-flash
of the second aluminum airplane
that hit the iron WTC towers. Also note that the face of the WTC towers
where clad with sheets of aluminum, which would also be a source of aluminum
for impact-flashes.
"Nearly all metals will burn in air under certain conditions."
http://www.eh.doe.gov/techstds/standard/hdbk1081/hbk1081c.html
Iron Burns, especially when it is red-hot, and evidently it can melt itself
when it burns in a large enough pile furnace. Aluminum Burns with a Flash,
especially when it is spattered/shattered at high speed, and thus finely
divided and hot.
Mark Ferran BSEE scl JD mcl
www.billstclair.com/ferran
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