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Unread postAuthor: MrCrowley » Fri Sep 28, 2012 8:21 pm

Hardest thing I've done at uni and it's only worth 10% of the course:
Write a research proposal topic justification for a research topic that could be theoretically carried out at graduate level.

Due on Wednesday, still sorting out my topic and cross-checking it with previous research to: (a) make sure it hasn't already been done; (b) is actually a legitimate research topic and my ideas aren't flawed, and (c) is actually worth doing.

My sources folder has a little under 50 (and counting) research publications I've flicked through multiple times. I've spent all day looking at images like the one below
Image

That's part of a tooth by the way. Points to anyone who can tell me what the lines are called that the big arrows are pointing to :D

Sorry for the venting.
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Last edited by MrCrowley on Sat Sep 29, 2012 12:18 am, edited 1 time in total.
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Unread postAuthor: Zeus » Fri Sep 28, 2012 10:07 pm

A little red cross because it won't load?
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/sarcasm, /hyperbole
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Unread postAuthor: Technician1002 » Fri Sep 28, 2012 11:04 pm

Fnord wrote:(^But he managed to keep his Hoveround just out of frame)




:D


:D Didn't have room to bring it and it's batteries are shot. I did manage to inherit one. Not sure what to do with it yet. :D

My Uncle has a Jazzy scooter. It high centers on some of the trails so it didn't make the trip below the rim.
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My Uncle and I taking photos
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Unread postAuthor: MrCrowley » Sat Sep 29, 2012 12:19 am

Zeus wrote:A little red cross because it won't load?

Ah yeah sorry, I linked to the image through my university proxy since the image was in a journal article.
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Unread postAuthor: velocity3x » Sat Sep 29, 2012 6:11 am

MrCrowley wrote: Points to anyone who can tell me what the lines are called that the big arrows are pointing to :D

Enamel Rods?
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Unread postAuthor: MrCrowley » Sat Sep 29, 2012 7:21 am

Never heard of those before :D
Just goes to show how many papers you can read on such a narrow topic and not learn much else!

The answer was striae of Retzius. Fun fact, you can count the cross-striations (diagonal lines from bottom right to top left) between adjacent striae and then multiply this by the number of striae present on the surface of the tooth (perikymata) to find the age of a juvenile at which the tooth stopped growing (i.e. when they died).
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Unread postAuthor: pneumaticcannons » Sat Sep 29, 2012 2:03 pm

First downlink footage of my homemade drone
[youtube]http://www.youtube.com/watch?v=OnrNTBeAPjI
[/youtube]I'm going to have to put one of these jokes on it soon and have some fun :twisted:
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Unread postAuthor: MrCrowley » Wed Oct 03, 2012 3:16 am

You can skip most of the video...
[youtube]http://www.youtube.com/watch?v=dfiR1Rde7dI[/youtube]
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Unread postAuthor: sharpshooter11000 » Wed Oct 03, 2012 11:07 am

That must've been a hell of a job to clear up! Pretty impressive though!
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Unread postAuthor: MrCrowley » Thu Oct 04, 2012 2:21 am

This sounds interesting:
Authorities have impounded a fridge that mysteriously exploded so investigators can determine what caused the blast that blew the door off its hinges and smashed 10 windows.

A garbage bag full of food that was in the fridge has also been kept, after fire investigators failed to find a cause for the Tuesday night explosion at a Tauranga home.

Fire safety officer Ken McKeagg said explosives experts from Wellington would travel up to investigate the blast, which also destroyed a sliding door and cracked parts of the ceiling.

Residents of the Gate Pa home said there were no suspicious liquids in the fridge, Mr McKeagg said.

"They said it was just food [and] this is what's stunned us. Food doesn't just blow up or I'll be too scared to put carrots in my fridge," Mr McKeagg said.

There was no sign that a refrigerant had sparked the blast.

Mr McKeagg said the fridge, which was bought second hand, was at least 20-years-old.


Energy safety investigators from the Ministry of Business, Innovation and Employment will travel from Wellington to examine the ruptured fridge in the next fortnight, a ministry spokesman said.

"They'll be looking to see if there was a fault with the appliance or if someone had done something to it, which may have caused the explosion," he said.

The two men living in the house were woken by the 1.15am blast.

The men, Paul Collinson and John Smith, were unhurt.

"There was this explosion and it went boom," Mr Collinson told the Bay of Plenty Times.

"I was in my room and it blew out the windows and I felt the vibrations and a big whoosh as it came over my head.

"It hurt my ears and they're still ringing now.

"It looked like a bomb had exploded."

The men said they were clueless as to what had caused the blast.

http://www.nzherald.co.nz/nz/news/artic ... d=10838405

Anyone want to take a guess at what the cause was? I wouldn't think there'd be enough refrigerant in a fridge to that kind of damage from pressure build up alone.
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 04, 2012 3:06 am

I doubt the refridgerant could have done that. Methane buildup from decomposing food perhaps, which would have resulted if the fridge was not properly functioning. *spark* BOOM!
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Unread postAuthor: pneumaticcannons » Thu Oct 04, 2012 6:29 am

"There was this explosion and it went boom,"

WTF? lol
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Unread postAuthor: Technician1002 » Thu Oct 04, 2012 7:55 pm

Dumb question, was it an electric fridge?
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Unread postAuthor: velocity3x » Thu Oct 04, 2012 9:57 pm

MrCrowley wrote:Anyone want to take a guess at what the cause was?


50gal Plastic Trash Bag full of Oxygen / Acetylene inside the refrigerator!
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Unread postAuthor: jackssmirkingrevenge » Fri Oct 05, 2012 12:07 am

exploding fridge article wrote:Residents of the Gate Pa home said there were no suspicious liquids in the fridge, Mr McKeagg said.


Are you sure this isn't actually "Braykeeeeeng Beeeeeiiid mate yeeeeeeeeeee" :D :D :D

pneumaticcannons wrote:I'm going to have to put one of these jokes on it soon and have some fun :twisted:


Nooooo, come on - you're on of the brightest kids on this forum, make your own!

Have a read through this thread: http://www.spudfiles.com/forums/who-has ... 19506.html

This is something like what I would have in mind:

Image

The booms are composed of 2 or 3 litre soda bottles which are pressurised to 90-100 psi, the central pod contains a camera, BB chamber and barrel, as well as a motor driving a pusher propellor.

Trigger can be a servo operated small ball valve or similar. Make it "valveless" with BBs already in the pressure chamber and a detent trigger and you get even more air and efficiency :)
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