How can you smash glass without physical contact?

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Discussion Overview

The discussion revolves around methods to break glass without direct physical contact, exploring various theoretical and practical approaches. Participants consider alternatives to explosions and sound, while discussing the feasibility and practicality of different methods.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants propose using sound at frequencies inaudible to humans as a potential method to break glass, though practicality is questioned due to the need for large equipment.
  • Others suggest thermal shock as a means to break glass, but express concerns about its practicality.
  • There are ideas about creating a non-destructive explosion that could break glass from a distance, but specifics on how to achieve this remain unclear.
  • One participant mentions balancing glass on an ice cube, suggesting it could break when the ice melts, although this is more of a mechanical approach rather than a non-contact method.
  • Discussion includes the variability of glass properties, indicating that different compositions and forms may influence the effectiveness of proposed methods.

Areas of Agreement / Disagreement

Participants do not reach a consensus on a specific method to break glass without contact, and multiple competing ideas and uncertainties remain throughout the discussion.

Contextual Notes

The discussion includes limitations related to the practicality of suggested methods, the need for further clarification on the intended application, and concerns about safety and legality regarding the breaking of glass.

Who May Find This Useful

This discussion may be of interest to those exploring theoretical physics, engineering applications, or creative problem-solving in non-destructive testing methods.

Vector_Legacy
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Hi

I was just wondering what ways you can smash glass without physically touching/breaking/throwing something at it. For example, I know that the "force" of an explosion can break glass that is a fair distance away from the actual explosion. So is there any way you could make something that would break glass from a distance of say, 2-10 metres that isn't a bomb, or is a bomb but doesn't cause the damage of a normal bomb, if that makes sense?

I know it's possible with sound, but it's too impractical in this scenario.

Are there any other alternatives?
 
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Vector_Legacy said:
Hi

I was just wondering what ways you can smash glass without physically touching/breaking/throwing something at it. For example, I know that the "force" of an explosion can break glass that is a fair distance away from the actual explosion. So is there any way you could make something that would break glass from a distance of say, 2-10 metres that isn't a bomb, or is a bomb but doesn't cause the damage of a normal bomb, if that makes sense?

I know it's possible with sound, but it's too impractical in this scenario.

Are there any other alternatives?

The "sound" could be a frequency that humans can't hear, if "noise" is an issue, etc.

You could throw IT about 2-10 m away so it breaks itself.

You could also balance it on an ice cube, and when it melts, the glass will fall and break, etc.

A thermal shock can break glass.

Depending on the glass itself, composition, form factors, etc...there can be other options.
 
Tea Jay said:
The "sound" could be a frequency that humans can't hear, if "noise" is an issue, etc.

You could throw IT about 2-10 m away so it breaks itself.

You could also balance it on an ice cube, and when it melts, the glass will fall and break, etc.

A thermal shock can break glass.

Depending on the glass itself, composition, form factors, etc...there can be other options.
Thanks for the reply.

Sound is not an issue, with practcality I meant it needs to be portable, using sound would require big speakers, amps, etc.

Thermal Shock sounds interesting but it wouldn't be practical.

Is there any way to create some sort of 'explosion' that would break glass but not cause an actual explosion.. if that makes sense?
 
Vector_Legacy said:
Hi

I was just wondering what ways you can smash glass without physically touching/breaking/throwing something at it. For example, I know that the "force" of an explosion can break glass that is a fair distance away from the actual explosion. So is there any way you could make something that would break glass from a distance of say, 2-10 metres that isn't a bomb, or is a bomb but doesn't cause the damage of a normal bomb, if that makes sense?

I know it's possible with sound, but it's too impractical in this scenario.

Are there any other alternatives?

Vector_Legacy said:
Thanks for the reply.

Sound is not an issue, with practcality I meant it needs to be portable, using sound would require big speakers, amps, etc.

Thermal Shock sounds interesting but it wouldn't be practical.

Is there any way to create some sort of 'explosion' that would break glass but not cause an actual explosion.. if that makes sense?

What is the application?
 
berkeman said:
What is the application?
I've already explained haven't I?
 
Vector_Legacy said:
I've already explained haven't I?

Nope. Why do you want to break glass at a distance? Is this a window? We have a prohibition at the PF about discussing dangerous activities, and I'm trying to figure out what to do with this thread...
 

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