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On Signal Propagation by
Anamitra Palit
Problem: An electron and a positron annihilate to produce a pair of
photons which move in two specific directions. Now the question is
what really transports the information...
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A question about chirality by
gdaebfc
If one were to take the position that chirality is present in all
observable systems and states even without a measurement or direct
observation - much like temperature,...
( 1 2)
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Questions about the "heat kernel" by
Jay R. Yablon
I have a few questions about the so-called "heat kernel" discussed
in http://en.wikipedia.org/wiki/Dirac_delta_function#Semigroups.
This article suggests that the heat...
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Weak nuclear interactons by
Chalky
On Jan 31, 4:24 pm, "Richard D. Saam" wrote
(In relation to nuclear reaction rates for BBN)
at...
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February 4th 10
by bert
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Can Spacetime Be Independent of Objects? by
Robert L. Oldershaw
At the Cosmic Variance Blog someone posted a comment in the form of a
question: "Is spacetime a 4-D manifold?"
It reminded me of Einstein's comment that the idea of...
( 1 2)
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Watering a Transmitter by
bert
I read when a radio transmitter is watered at its base its signal is
made stronger. What is the physics uses for this? Will ariel
(antenna) set in water help its ability to...
( 1 2)
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bragg condition and lattice planes by
tamiry
Hi,
Bragg condition regrading x ray scattering from a lattice states that
sin(teta) = m*lambda/2*d
where d is a distance between different planes in the lattice. Now, I
was...
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