Science > Physics > WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC
| Topic: |
Science > Physics |
| User: |
"Sam Wormley" |
| Date: |
20 Oct 2006 05:14:00 PM |
| Object: |
WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC |
WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC
1. EMPIRE: PRESIDENT BUSH APPROVES A NEW NATIONAL SPACE POLICY.
The change in the international political climate over the past
decade is nowhere more evident than in a comparison of the new
National Space Policy with the 1996 policy it replaces. The old
policy committed the U.S. to "greater levels of partnership and
cooperation" with other nations to ensure the "continued use of
outer space for peaceful purposes." The new policy defines
"peaceful purposes" as whatever U.S. defense and intelligence-
related activities are deemed to be in the national interest.
"Freedom of action in space is as important to the United States
as air power and sea power." The first goal of the 1996 policy
was to:"Enhance knowledge of the Earth, the solar system and the
universe." Now the first goal is to: "further U.S. national
security, homeland security, and foreign policy objectives."
2. CLONED? WE WERE JUST GETTING USED TO "GENETICALLY MODIFIED."
According to Rick Weiss in the Washington Post, the Food an Drug
Administration is about to approve the sale of meat and milk from
cloned livestock. The FDA is responsible only for the question
of human safety. Too much animal fat in the diet is dangerous,
but no more so if it comes from clones. If there is no rational
downside to an innovation we can always count on religion to
discover supernatural objections. Some Jews, for example, worry
that the Talmudic injunction against crossbreeding might forbid
cloning, but a clone seems to go in the direction of species
purity rather than a chimera. Christians are more likely to see
the sin of pride in cloning. That is not unlike the Muslim
concern that it might infringe on Allah's prerogative as creator,
but maybe it's a gift from Allah instead. Buddhists seem to
think it's OK if the motive is to reduce suffering, but how do
the souls get shared? Hindus don't eat animals anyway.
3. STRING THEORY: STRINGING OUT THE SEARCH FOR A UNIFIED FIELD.
Brian Greene, Columbia physicist and author of the wildly popular
Elegant Universe, (Norton, 1999), wrote a very long and somewhat
wistful op-ed in this morning's NY Times pleading for patience.
If it has not yet shown us the way to an experimental test of the
concept so also no mathematical contradiction has been found in
the mountain of calculations. Meanwhile physics departments
around the world have wagered scarce resources on a breakthrough.
4. EDWARD TELLER'S GHOST: A NEW GENERATION OF NUCLEAR WEAPONS.
Our stockpile of 6,000 nuclear weapons is growing old. Few who
developed the first A-bomb are still alive. A deranged dictator
on steroids is testing bombs of his own. The Bush plan? We
start all over: Build an entirely new nuclear weapons complex
making thousands of Reliable Replacement Warheads, warheads so
reliable they won't even need testing.
THE UNIVERSITY OF MARYLAND.
Opinions are the author's and not necessarily shared by the
University of Maryland, but they should be.
---
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| User: "Jan Panteltje" |
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| Title: Re: WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC |
21 Oct 2006 06:11:58 AM |
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On a sunny day (Fri, 20 Oct 2006 22:14:00 GMT) it happened Sam Wormley
<swormley1@mchsi.com> wrote in <ISb_g.246504$1i1.141127@attbi_s72>:
4. EDWARD TELLER'S GHOST: A NEW GENERATION OF NUCLEAR WEAPONS.
Our stockpile of 6,000 nuclear weapons is growing old. Few who
developed the first A-bomb are still alive. A deranged dictator
on steroids is testing bombs of his own. The Bush plan? We
start all over: Build an entirely new nuclear weapons complex
making thousands of Reliable Replacement Warheads, warheads so
reliable they won't even need testing.
In programming: Not tested = not working.
In electronics: Not tested = not working.
In physics (you fill in I am only an amateur)
Bombs are full of software, electronics and physics.
Deranged dictator? But HE was testing!
Impeach the islam converted Saudi mole Bush.
Neutron nuke the Ben Laden palaces.
Grab that oil.
And live in peace ;-)
Hawk
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| User: "Uncle Al" |
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| Title: Re: WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC |
21 Oct 2006 11:42:08 AM |
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Sam Wormley wrote:
WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC
1. EMPIRE: PRESIDENT BUSH APPROVES A NEW NATIONAL SPACE POLICY.
[snip]
as air power and sea power." The first goal of the 1996 policy
was to:"Enhance knowledge of the Earth, the solar system and the
universe." Now the first goal is to: "further U.S. national
security, homeland security, and foreign policy objectives."
There is now a bounded goal and a DCF/ROI budget process. Risks
attendant to discovery are excluded (professional research Management
assassinates the future). Let's get this quantitative: What is
Haliburton's cut?
4. EDWARD TELLER'S GHOST: A NEW GENERATION OF NUCLEAR WEAPONS.
Our stockpile of 6,000 nuclear weapons is growing old. Few who
developed the first A-bomb are still alive. A deranged dictator
on steroids is testing bombs of his own. The Bush plan? We
start all over: Build an entirely new nuclear weapons complex
making thousands of Reliable Replacement Warheads, warheads so
reliable they won't even need testing.
[snip]
40 years of ageing have substantially diminished heavier plutonium
isotope and other transuranic contents by decay. Refabrication of the
pits really would result in superior nuclear weapons - reduced decay
heat dump and explosive blanket thermal and beta/gamma degradation on
storage; less chance of predetonation and fizzle upon implosion.
Unless the North Koreans were total imbeciles, their fizzle resulted
from imploded pit predetonation from having cooked their plutonium too
hard during synthesis. The Manhattan Project had the same problem
with critical masses and neutron fission yields of accelerator Pu (the
R&D) vs. Hanford reactor Pu (the engineering). Either that, or the
Korean neutron intiator was crap or badly timed.
Ultrapressure experiments routinely use spherical implosions. Denser
tesselation of the implosion sphere removes the need for explosive
lenses. A gapped external spherical high density reflector shell
sends a timed second shockwave into the center. As the centered
imploded steel or brass sphere container for the experiment rebounds
after implosion the second shock arrives and bounces off its surface,
halting expansion. That way the core does not fail in tension
post-implosion. The work is in the open literature starting at least
30 years ago.
We know all about symmetric implosions, implosion tamper;
Raleigh-Taylor, Richtmyer-Meshkov, and Kelvin-Helmholtz instabilities;
levitated pits, physical and synchronized neutron initiators, Pu
delta-phase stabilization and collapse... from dust-covered open
literature. A successful Pu implosion fission device without weight
constraints is a home workshop project. Add gaseous tritium squirt or
lithium-6 tritide inserts (remember decay thermal load) and anybody
can have 50 kt off the shelf with very high reliability.
--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz3.pdf
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| User: "Sorcerer" |
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| Title: Re: WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC |
21 Oct 2006 12:25:42 PM |
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"Uncle Al" <UncleAl0@hate.spam.net> wrote in message
news:453A4DE0.E382E467@hate.spam.net...
[snip crap]
FOaD, you are in the river of *****.
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| User: "Andy Resnick" |
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| Title: Re: WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington,DC |
23 Oct 2006 08:29:44 AM |
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Sam Wormley wrote:
WHAT'S NEW Robert L. Park Friday, 20 Oct 06 Washington, DC
<snip>
2. CLONED? WE WERE JUST GETTING USED TO "GENETICALLY MODIFIED."
According to Rick Weiss in the Washington Post, the Food an Drug
Administration is about to approve the sale of meat and milk from
cloned livestock. The FDA is responsible only for the question
of human safety. Too much animal fat in the diet is dangerous,
but no more so if it comes from clones. If there is no rational
downside to an innovation we can always count on religion to
discover supernatural objections. Some Jews, for example, worry
that the Talmudic injunction against crossbreeding might forbid
cloning, but a clone seems to go in the direction of species
purity rather than a chimera. Christians are more likely to see
the sin of pride in cloning. That is not unlike the Muslim
concern that it might infringe on Allah's prerogative as creator,
but maybe it's a gift from Allah instead. Buddhists seem to
think it's OK if the motive is to reduce suffering, but how do
the souls get shared? Hindus don't eat animals anyway.
<snip>
People are dumb. We have been eating "genetically modified" food most
likely since prehistoric times- it's called hybridization, and is
responsible for almost all of the food currently available, "organic" or
not. We have also been doing that to dogs (Labradoodles?) and farm
animals (mules) since we domesticated animals.
It all comes back to ignorance and anti-science mentality.
--
Andrew Resnick, Ph.D.
Department of Physiology and Biophysics
Case Western Reserve University
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