Measuring the Effects of Dark Energy on Bound Objects: An Experimental Study

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Discussion Overview

The discussion revolves around the potential effects of dark energy on bound objects and the feasibility of measuring such effects experimentally. Participants explore the implications of dark energy on everyday objects and the modifications to force-related equations that could incorporate dark energy.

Discussion Character

  • Exploratory
  • Debate/contested
  • Experimental/applied

Main Points Raised

  • One participant proposes modifying force-related equations to include dark energy, suggesting that if dark energy can separate galaxies, it might also affect everyday objects.
  • Another participant questions the practicality of measuring a net force between two objects and identifying the component attributable to dark energy.
  • A participant argues against the idea that dark energy causes bound objects to move apart, using an analogy of an ant pushing a house to illustrate that dark energy does not exert a significant effect on bound systems.
  • There is a request for information on any existing experiments that have measured the effects of dark energy between two objects, indicating a desire for empirical evidence.

Areas of Agreement / Disagreement

Participants express differing views on the influence of dark energy on bound objects, with some asserting that it does not cause them to move apart, while others explore the possibility of its effects. The discussion remains unresolved regarding the existence of experiments measuring these effects.

Contextual Notes

Participants highlight the challenge of isolating dark energy's influence in experimental settings and the potential misconceptions surrounding its effects on bound objects.

DLeuPel
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I’m thinking about modifying some force related equations to include dark energy in them for an essay on physics. My reasoning is that if it can separate galaxies the objects in our day to day lives must also have a small tendency to move apart. To do so, I have to dispose of an already done experiment on this matter. As there been any experiments regarding the measurement of dark energy between two objects ?
 
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What do you mean? In laboratory conditions?
 
Suppose you did an experiment, and measured a net force between two objects. How would you know what component of that force was due to dark energy?
 
DLeuPel said:
I’m thinking about modifying some force related equations to include dark energy in them for an essay on physics. My reasoning is that if it can separate galaxies the objects in our day to day lives must also have a small tendency to move apart.
That is a common misconception, but it's like an ant pushing on a house. The ant just doesn't move the house. At all. Period. Likewise, dark energy does not cause bound objects to move apart.
 
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phinds said:
That is a common misconception, but it's like an ant pushing on a house. The ant just doesn't move the house. At all. Period. Likewise, dark energy does not cause bound objects to move apart.
If a person attempts to move a heavy object, he will have to exert less force if an ant is pushing it than if it’s not. Therefore, if the ant represents dark energy, what’s the force that the person has to exert on the object? That is what I would like to know, if someone has already done an experiment regarding that matter.
 

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