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Jun 4 2012 10:35pm
Who here has heard about the Pitch Drop experiment?
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Jun 5 2012 07:16am
Quote (CPK001 @ Jun 5 2012 12:35am)
Who here has heard about the Pitch Drop experiment?


This guy :thumbsup:

Professor Thomas Parnell hypothesized way back in the 1920's that pitch was actually a highly viscous fluid. He put some pitch in a funnel and it takes more then a decade for a single drop to fall.

This post was edited by xXAn0nym0usXx on Jun 5 2012 07:35am
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Jun 5 2012 01:59pm
I don't know about the pitch experiment, but I would say the Tuskegee Experiment
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Jun 5 2012 03:44pm
It is the pitch experiment. It's been going on for 80-90 years and some drops every 5-12 years depending. A drop has never been seen.

It's similar to glass, which is actually a fluid, and slowly overtime will sink down.
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Jun 5 2012 09:08pm
Quote (Pharmdizzle @ Jun 5 2012 05:44pm)
It is the pitch experiment. It's been going on for 80-90 years and some drops every 5-12 years depending. A drop has never been seen.

It's similar to glass, which is actually a fluid, and slowly overtime will sink down.


Glass is very much a solid... don't believe everything you hear.
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Jun 5 2012 11:30pm
Quote (Pharmdizzle @ Jun 5 2012 03:44pm)
It is the pitch experiment. It's been going on for 80-90 years and some drops every 5-12 years depending. A drop has never been seen.

It's similar to glass, which is actually a fluid, and slowly overtime will sink down.


Glass is a solid.

It retains properties that can cause the molecular structure to become amorphous if it undergoes rapid cooling.

Hence, high quality glassware is cooled very slowly to facilitate a crystalline molecular structure.

The thoughts following antique glass being thicker at the bottom is directly related to the methods that were available at the time for producing glass panes. In other words, they lacked the technology we have today to keep a pane of glass at a constant thickness during production.
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Jun 6 2012 05:00pm
^
Was too lazy to get into it all, thanks :D

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Jun 6 2012 05:58pm
Quote (toyake @ Jun 6 2012 05:00pm)
^
Was too lazy to get into it all, thanks :D


Five sentences?

No wonder you thought glass was a liquid :rolleyes:
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Jun 6 2012 06:03pm
Yea, they say the experiment slowed down by a huge factor since the last 00's because they installed air conditioning in the building. *facepalm*
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Jun 6 2012 08:19pm
I have here a live stream feed to the experiment where the 9th drop is imminent. However since it is Winter and the last drop is caught it has been 12 years since the 8th drop. The 9th drop is going to happen anytime between now and the next 12 months.

Anyway here is the live stream to the longest running experiment. http://smp.uq.edu.au/content/pitch-drop-experiment
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