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Jon Sparks
Lived in Edmonton, AB
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Jon Sparks

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Beware of carpenters with spare time.....
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Jon Sparks

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Passing this on....
 
Me: "I wonder if Robert the Bruce's battle flag was green and purple..."

Coworker: "Uhhh... why would it be green and purple?"

Me: "Well, you know, cause it's ... Bruce's Banner."

Co-worker looks at floor and sighs "God damn it."



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Been saying it for years...
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Cool.
 
Shockwaves from an underwater explosion

Water is highly incompressible, which means it does not readily change volume in response to a change in pressure. This means that a shockwave from an underwater explosion does not dissipate quickly like it does in air and actually travels much further.

In this demonstration, the three balloons are filled with air and highlight the shockwave passing through the water. Because air is a compressible fluid, the balloons are significantly deformed by the shockwave.

Unlike the demonstration of a person diving underwater to avoid gunfire, escaping an explosion this way would likely result in death. While the majority of the human body is water that the shockwave would leave unharmed, there are plenty of compressible parts (i.e. air filled lungs) that would be heavily damaged by the rapid change in pressure.

Source: https://youtu.be/W4DnuQOtA8E

#ScienceGIF #Science #GIF #Liquid #Water #Explosion #Compressibility #Balloons #Air #Physics #Physiology #Grenade #Detonation #Pressure #Volume #Material
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The best Doctor...
 
May or may not have remembered seeing this because of +Abby P. 's Peter Pan quote....don't judge me.
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Are we awake yet?
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Mind = blown.  

Seriously.  You need to watch this.....
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A decent summary.
 
Something can only be considered scientific if it can be disproven.
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