What are some modern issues in the world of Nuclear physics?

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Discussion Overview

The discussion revolves around modern issues in nuclear physics, particularly those that relate to daily life and potential research topics for an assignment. Participants explore various applications of nuclear physics, including medical technologies, energy production, and environmental concerns.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants mention the use of radiation in food treatment as a means to extend shelf life and address food shortages.
  • Medical applications of nuclear technology, such as MRI machines, are highlighted as important for diagnostics and treatment.
  • Alternative nuclear technologies, like radioisotope generators and nuclear rocket propulsion, are suggested as less mainstream but relevant topics.
  • Neutron sources are noted for their use in geological prospecting and radiological dating methods.
  • The Dawn spacecraft's use of a neutron spectrometer to analyze the surface of Ceres is mentioned as an example of nuclear physics in space exploration.
  • Concerns about high-level nuclear waste disposal are raised as significant barriers to the adoption of nuclear energy.
  • Cost issues are discussed, with some participants arguing that nuclear power is not as economically advantageous as initially promised.
  • Thorium as a potential nuclear fuel is proposed, with some arguing it presents benefits without the risks associated with weaponized materials, while others point out its disadvantages.

Areas of Agreement / Disagreement

Participants express a range of views on the applications and implications of nuclear physics, with some areas of agreement on the importance of medical applications and waste disposal concerns, while other topics, such as the viability of thorium as a fuel source, remain contested.

Contextual Notes

Participants reference various applications and technologies without resolving the complexities or limitations associated with each topic. The discussion includes both positive and negative perspectives on nuclear energy and its implications.

Guest432
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Hello!

I was just wondering what this community is aware of in the world of modern nuclear physics. To be specific, for my assignment I am asked to research a topic or issue that is related to nuclear physics (and has relations to our daily lives). Some examples provided are:

  • The use of radiation for the treatment of foods is a safe way to extend the shelf life of perishable foods and address an impending crisis in food shortages in the world today.
  • The application of nuclear medical technology is an important adjunct to diagnostic medicine and provides an effective means for the monitoring and treatment of disease (we were shown an example of a student who wrote about MRI machines).
  • As a source of energy, nuclear energy provides a safer alternative that current fossil fuel technology for the production of energy for large-scale consumption.
These examples are great, but since nearly everybody in the year level will be researching these topics, I feel inclined to look into something else.

If you have any ideas or know of issues/upcoming issues that are worth researching, please tell!

Thanks,
Trontor.
 
Physics news on Phys.org
Related to it, but not the mainstream nuclear energy: radioisotope generators, nuclear rocket propulsion concepts, ... - okay, not the daily life for most of us, but the medical applications are just for a small part of the population as well.
Tritium is used to make various things glow.

The three areas you listed have so many different subtopics that everyone can find something there.
 
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IIRC neutron sources are used in geology (prospecting) - they are lowered into boreholes to map elemental composition of rock layers.

Carbon/lead/etc radionuclide dating of rocks and manmade structures.

https://en.wikipedia.org/wiki/Krypton-85
Krypton-85 was used in cold-cathode voltage regulator electron tubes, such as the type 5651.
Krypton-85 is used to test for leaks in semiconductors (MIL-STD-883H) and piping.
Krypton-85 is used to ionizing of spark gap inlet gases for breakdown voltage.
Krypton-85 is used in neutralization of electrostatically charged aerosols from nebulization, combustion, or powder dispersion.
Krypton-85 is also used to measure extruded film or coating weight during online production.

https://en.wikipedia.org/wiki/Industrial_radiography
[/PLAIN]
https://en.wikipedia.org/wiki/Commonly_used_gamma-emitting_isotopes

https://en.wikipedia.org/wiki/Common_beta_emitters[/URL]
 
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The Dawn spacecraft uses a neutron spectrometer to measure the composition of the surface of Ceres.

All the radiological dating methods use nuclear physics.

A significant fraction of the natural background radiation we all receive comes from decay chains involving radon.
 
mfb said:
The Dawn spacecraft uses a neutron spectrometer to measure the composition of the surface of Ceres.

All the radiological dating methods use nuclear physics.

A significant fraction of the natural background radiation we all receive comes from decay chains involving radon.
You're on fire! Thanks for all these suggestions, they're awesome. How are you finding these?
 
Not quite so bright and shiny and happy, but disposing of high level nuclear waste is the biggest barrier by far to wide adoption of nuclear electricity generation.
 
ohwilleke said:
Not quite so bright and shiny and happy, but disposing of high level nuclear waste is the biggest barrier by far to wide adoption of nuclear electricity generation.

Cost seems to be a barrier too. Nuclear power promised to be uber-cheap, but in fact it is only on par with other methods.
 
fussion nuclear energy
 
  • #10
nikkkom said:
Cost seems to be a barrier too. Nuclear power promised to be uber-cheap, but in fact it is only on par with other methods.

Waste disposal concerns is what drives most of the excessive cost.
 
  • #11
Trontor said:
Hello!

I was just wondering what this community is aware of in the world of modern nuclear physics. To be specific, for my assignment I am asked to research a topic or issue that is related to nuclear physics (and has relations to our daily lives). Some examples provided are:

  • The use of radiation for the treatment of foods is a safe way to extend the shelf life of perishable foods and address an impending crisis in food shortages in the world today.
  • The application of nuclear medical technology is an important adjunct to diagnostic medicine and provides an effective means for the monitoring and treatment of disease (we were shown an example of a student who wrote about MRI machines).
  • As a source of energy, nuclear energy provides a safer alternative that current fossil fuel technology for the production of energy for large-scale consumption.
These examples are great, but since nearly everybody in the year level will be researching these topics, I feel inclined to look into something else.

If you have any ideas or know of issues/upcoming issues that are worth researching, please tell!

Thanks,
Trontor.
THORIUM is your word. Their are many nuclear fuels that can be used in reactors but the nuclear industry only builds reactors that use Weaponrized material. THORIUM all the nuclear benefits whith no weaponized radioactive elements of enriched Uranium Plutonium
 

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