Nuclear Definition and 997 Threads

In a nuclear fission of the uranium for example, the uranium atom can be subdivided in Kr and Ba + 2 neutrons + energy dissipated. This energy comes from the mass defect of the uranium in relation to Kr+Ba+2 neutrons. Is this energy full released in the form of photons? Is this energy full used...

- possible sun timeline - 3,130,000 years for molecular gas to condense into protostar - 40,000,000 for core to condense and heat up to 15 million K - 43,130,000 total - sun has only enough matter to 'burn' by gravitational pressure for 100/300 million yrs - first stage of...

Nuclear power plant which use of fission process have been made but why not fusion power plants, what affect its feasibility ??

I have a question that states: "Consider the shell model predictions for the ground state and low lying excited states of 210 Bi (see below for sidenote). This is just a definition issue really. I don't know what a 'low lying' state is. I can't find that term used in my text at all. Can someone...

And the electromagnetic force stronger than gravity? That is what is written everywhere about the fundamental forces. It is simply because we don't generally see or observe matter (if at all such matter exists) having a mass to charge ratio high enough to make the magnitude of...

News reports have it at 4.9 magnitude and a depth of 1 kilometer The USGS appears to have it at 5.1 and the depth is not currently known accurately. http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc000f5t0.php#details...

If we tried to make elements higher than Helium in a terrestrial fusion reactor, what elements could we realistically make? If I've understood it correctly the triple alpha process reaction rates would be irrelevant due to the considerably lower pressure * time product. But how would Be...

Hello all, I am currently pursuing my MSc in Nuclear engineering. My background is in BSc Electrical/electronics engineering therefore I am inclined to go for some project related to nuclear engineering having roots in electrical/electronics/control engineering. It would be great if...

Hi could you please explain me what happens with the atomic structure and overall material structure of neutron absorber rods used in fission reactors? As I imagine when they are used they absorb the neutrons that keep the chain reaction going so to stop the chain reaction hence shut the...

Hey, I'm having a hard time trying to understand what nuclear binding energy really means. In most of the introductory texts I have, they say some of the mass of the nucleus appears as binding energy (mass defect). According to the definition, shouldn't it just be the work done by strong...

I have been reading a lot about nuclear plants and how when things go wrong the whole area becomes inhabitable. I have been trying to understand certain things but i am not sure. I hope my understanding of it are not filled with self-inflicted misconceptions. 1) Uranium crystals found in nature...

Are there any nuclear power plants on oceanic coastlines like Fukashima Daiichi which are vulnerable to being damaged by powerful tsunamis and earthquakes? Do any of these coastal plants exist in the United States?

How difficult would this be? I'm planning on taking all of the related classes for my upper-division electives (Nuclear Physics, Particle Physics, etc) but I want to make sure that this is possible before I completely commit to it. Also, for those who are in / done with grad school: is it...

Author: Kenneth S. Krane Title: Introductory Nuclear Physics Amazon Link: https://www.amazon.com/dp/047180553X/?tag=pfamazon01-20 Prerequisities: It is expected that students have some experience with quantum mechanics/physics. A course in Modern Physics and a mathematical background...

http://en.wikipedia.org/wiki/Nuclear_binding_energy What is nuclear binding energy ? Here are two possible answers according to the Wikipedia page : 1.Nuclear binding energy is the energy required to split a nucleus of an atom into its component parts. 2.Nuclei are made up of protons and...

During nuclear fission a heavy nucleus of low binding energy splits into two middle mass nuclei with high binding energy ! From where does this energy suddenly come from ?? And why is the binding energy of heavy nuclei lesser than that of middle mass nuclei ??

Hey guys. I've recently developed an intense interest in nuclear fusion, and I was wondering what sort of majors would be relevant/helpful to a facility conducting research in that area (like ITER in France). I'm a freshman at Johns Hopkins U, and unfortunately there isn't a major in Nuclear...

Hello ,everybody I plan to develop a nuclear fuel cycle simulation software . Is there any body interesting it. I think this is a very complex project. :)

Hello, In experiments such as KamLAND, it is expected to measure neutrinos emitted by Japan's nuclear reactors. Such experiments were built to find evidence for neutrino oscillation. Is there anyone who knows how one can make the difference between the neutrinos from nuclear reactors and...

i would like to read some stories in Fermi's research

I have just been browsing through some articles on Switzerland's Nuclear policies and it appears they have four working power plants and several other research reactors. I know they have ITER, and that would be great, but I am sure it is extremely competitive to get in there. Does anyone know...

Hi, I'm new here. And i have much wonder about the technology in the field of nuclear waste treatment. I have no idea where to find some info. and resourse. Can anybody provide some info of them? Much Thx.

Hi, Question about nuclear weapons: Often you hear about a missile that is capable of carrying a nuclear warhead. But actually, why can't any missile be capable of this? Just take your favorite missile, build for it a nuclear warhead which is the same shape and size as the missile's...

So far in my physics education I've developed a basic understanding of two nuclear models, the liquid-drop model and the shell model. I read something a while ago (don't have the text on hand to quote the exact phrasing, unfortunately) that seemed to imply, in a couple of places, at least...

My latest thoughts about the life, universe and everything has brought me to this scenario: [in a stars core, but a perfect thought situation, for the sake of illustration] there is a proton, electron and proton on one line in this particular sequence. I think, that the electron, witch has...

Hi! I teach 11th grade chemistry and 12th grade physics and I would be thrilled if a person that works with atoms could speak to my classes. I teach a private school in central NJ. Thanks

Hello fellow aerospace engineers and physicists, I am currently working on a project and trying to figure this out. I was wondering if you guys could help me out. Here is the problem statement: A nuclear waste disposal spacecraft is to be sent from Earth in order to carry radioactive waste...

Perhaps this is a very stupid question, but why aren't nuclear power-plants built underground? In a subterranean structure I'm thinking any natural disaster would at worst collapse the cavity without spreading radioactivity. Are subterranean construction really so intrinsically difficult...

I was reading this article http://news.yahoo.com/ap-exclusive-graph-suggests-iran-working-bomb-161109665.html on Iran's nuclear programme and at first thought the numbers on the left (relating to kilotons of energy per second) were off, but then I realized that it relates to peak power output at...

I am going to be graduating with a BS in nuclear engineering specialized in radiological health. What are some possible jobs options that are available with good entry level pay?

Has anyone launched a high energy positron into a nucleus with no electrons that had a neutron such as Deuterium ---> Tritium, Can you force positron capture? has it happened before and if so what happened? Because I was thinking couldn't you do this with a highly vacuumed out supercollider...

Homework Statement Radioactive nuclei A are produced at a rate R per second in a nuclear reactor. They decay with probability λ per second. (Qu 1-2 involving deriving the rate of change and number particles at any given time, I've done this). 3) Show the activity tends to R, a constant, as...

Hey members, I've taken the GRE lately and scored 311 (Q-161). Well,I'm in my final year,doing Civil Engg. from Mumbai University and my acads are pretty much on the lower side(actually its pretty crap).And I wish to get into a nuclear engg. grad program.The thing is,I'm not sure what kind of...

For our last physics and chemistry project at Tully High, we broke the record for the Largest Nuclear Fission Model with mousetraps and ping pong balls! The record can be viewed via the following link

can a machine like big bang machine be used for controlled nuclear fusion economically for prodution of electricity?

Homework Statement Consider energy generation in the Sun. Fusion through the pp cycle takes place within its core which has r = 0.2 Rs T = 1.3 x 10 ^ 7 K rho (density) = 1.1 x 10 ^ 5 kg m^-3 X (total mass fraction of hydrogen) = 0.34 The nuclear energy generation rate for the pp...

I am looking at this pretty chart: http://upload.wikimedia.org/wikipedia/commons/8/80/Isotopes_and_half-life.svg My question is, how sensitive is it to the variation of SM parameters? Imagine that I am sitting in front of some magic TV, where the image above is displayed. Below there are...

I need a detailed explanation as to how nuclear fusion works. How it produces energy and why? Be very specific as I have a general understanding.

I was wondering if anyone has any actual data on the surface temperature of a fuel rod as a function of time. I am really curious as I am trying out a model I found which uses the fractional calculus. Or if anyone could point in the right direction to find said data that would be great as well.

Hi, I'm new to posting on this forum, but I've been reading posts on here for a while :) Next weekend i am hosting an event to teach middle school kids about the field of Nuclear. I cover Radiation, Basic Atomic Structure, Fission, Fusion, fun jobs in Nuclear, ext. I need a fun name to...

This really isn't a homework question per se, but I really don't want to post in the big boys' fora. I am learning about basic modern physics at school, as the title suggests, but I am very confused on one matter. Take the tritium nucleus as an example. If tritium nucleons are separate...

Hi, in nuclear reactors the water is heated while traveling through the core , now this heat comes from the nuclear reaction taking place in the core fuel assemblies, the part that I wnat to know is which of the elementary particles that come out of that reaction heat the water more and which...

Hi, everyone! I am undergraduate student from China. I am applying to pursue a PhD degree in United States next year. I am interested in nuclear materials, but the problem is that my home school offers little course on materials science. I am affraid that students of materials science may be...

Hey, sorry if this is the wrong place to post this, I'm new here I'm in high school and have read several books on nuclear physics, and have become very intrigued by it. I am wondering were to start in terms of good learning resources for physics and nuclear physics, and how to go about...

Where does the potential energy go if you carry uranium to a nuclear power plant on the top of a mountain and part of its mass becomes energy?

If using the nuclear radius equation: R = R0 A^(1/3) as shown half-way down this page: http://en.wikipedia.org/wiki/Atomic_nucleus r0 = 1.25 fm = 1.25 × 10−15 m Is this value for r0 always this value, irrespective of the material in question? For example, if it was gold, or some...

Question: A sample of radioactive substance K and a sample of another radioactive substances L have the same initial activity. the half life of K is TK and the half life of L is TL. After a time T, the activity of K was half the activity of L. Expression in term of T, TK, and TL.

Really, what I'm wondering is if the blast radius is a constant given an increase in output. I assume it is not. So I'm really at a loss as to how to calculate such a massive value. The scenario is the explosion occurs at sea level on a flat desert plane. Help?

we know that the full life of radioactive sample is infinity. and if we take one radioactive atom in the sample then it's full is measurable and short. it changes when when it emits sub atomic particles. which contradict each other. we need to know more. the dimension of radioactive constant...

Hello Im working on a project and I am looking for a place to find nuclear data. For example I'm Interested in Ferromagnetic substances in which the nuclear decay decreases by unit through Electron Capture Is there a place where i could sort data like this? Any info would be appreciated