Make photons into some material?

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Discussion Overview

The discussion revolves around the concept of converting photons into material, exploring the nature of this transformation and its implications in the context of the universe's early state. Participants examine the definitions of "directly" making photons into material and the relationship between energy and matter.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant questions the feasibility of directly making photons into material, seeking clarification on the terms used.
  • Another participant suggests that high-energy photons can create electron-positron pairs, indicating a possible transformation of energy into matter.
  • A participant expresses curiosity about the transition from pure energy to a mixture of energy and matter in the universe, indicating a lack of resources on the topic.
  • Some participants propose that the early universe was not purely energy but rather composed of plasma, which consists of ions and particles of matter.
  • There is a suggestion to redirect the question to the cosmology forum for more specialized insights on early universe conditions.

Areas of Agreement / Disagreement

Participants express differing views on the nature of the early universe, with some asserting it was composed of plasma rather than pure energy, while others question the definitions and implications of converting photons into material. The discussion remains unresolved with multiple competing perspectives.

Contextual Notes

Participants have not reached a consensus on the definitions of key terms such as "directly" and "making photons into material." There are also unresolved assumptions regarding the state of the universe in its early stages.

wolram
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Do scientists have the means to directly make photons into some material ?
 
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What do you mean by directly and what do you mean by making photons in a material?
 
inha said:
What do you mean by directly and what do you mean by making photons in a material?

I mean, the raw, (material) used is photons, and the end result is something
of substance.
 
Oh, I misunderstood you a bit. Well you can make a high energy photon to an electron-positron pair.
 
inha said:
Oh, I misunderstood you a bit. Well you can make a high energy photon to an electron-positron pair.
Thanks inha, i asked the question as i can find nothing about how our universe changed from pure energy to a mixture of energy matter, i may not have looked in the right places.
 
Maybe you should have asked this in the cosmology forum. The regulars there should know about early universe stuff.
 
inha said:
Maybe you should have asked this in the cosmology forum. The regulars there should know about early universe stuff.
Thanks again inha, but they get a bit nebulous in that forum, i thought this one would be more to the fact.
 
wolram said:
Thanks inha, i asked the question as i can find nothing about how our universe changed from pure energy to a mixture of energy matter, i may not have looked in the right places.

I don't know where you read that the universe was once pure energy? As far as I understand the earliest universe was composed of plasma, made up of free floating ions, which are particles of matter.
 

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