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Author Topic: Random Stuff  (Read 1162846 times)

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AHoppy

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Re: Random Stuff
« Reply #2875 on: April 25, 2014, 09:13:46 am »
+3

Recently, I noticed that when I pour hot water into my tea cup, the water level quickly drops a bit. At first, I thought maybe the tea bag was absorbing the water, but why that would make the height of the water in the cup draw was beyond me. But then, I noticed that the height of the hot water still dropped even when there was no tea bag.

What I was witnessing must have been the water decreasing in volume as it quickly cooled and contracted once in the cup. Go material science! Or does material science only care about solids? Whatever, that's the domain of physics it reminded me of.
Are you sure it wasn't the cup expanding due to heat?  That seems much more likely to me.  Water is essentially incompressible...

AHoppy

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Re: Random Stuff
« Reply #2876 on: April 25, 2014, 09:14:53 am »
0

Also, Materials science is mostly solids.  And in the class I took, mostly metals.  Specifically steel.  But then again, this was a materials science class for mechanical engineers...

Witherweaver

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Re: Random Stuff
« Reply #2877 on: April 25, 2014, 09:19:37 am »
+1

There's a variant of 2048 that uses Ryan Gossling images instead of numbers.

Just thought I'd throw that out there. 
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Kirian

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Re: Random Stuff
« Reply #2878 on: April 25, 2014, 10:05:36 am »
+1

Recently, I noticed that when I pour hot water into my tea cup, the water level quickly drops a bit. At first, I thought maybe the tea bag was absorbing the water, but why that would make the height of the water in the cup draw was beyond me. But then, I noticed that the height of the hot water still dropped even when there was no tea bag.

What I was witnessing must have been the water decreasing in volume as it quickly cooled and contracted once in the cup. Go material science! Or does material science only care about solids? Whatever, that's the domain of physics it reminded me of.
Are you sure it wasn't the cup expanding due to heat?  That seems much more likely to me.  Water is essentially incompressible...

Water may be incompressible, but it, like a solid, still changes volume as temperature changes.  Back of the envelope calculation says that 250 mL of boiling water will lose about 6 mL of volume in dropping to 60 °C.  The volumetric expansion of a ceramic is in the range of 30 ppm/K, or about 0.1% going from 20 °C to 60 °C.  So the cup expands by ~0.25 mL.
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AHoppy

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Re: Random Stuff
« Reply #2879 on: April 25, 2014, 10:12:39 am »
0

Recently, I noticed that when I pour hot water into my tea cup, the water level quickly drops a bit. At first, I thought maybe the tea bag was absorbing the water, but why that would make the height of the water in the cup draw was beyond me. But then, I noticed that the height of the hot water still dropped even when there was no tea bag.

What I was witnessing must have been the water decreasing in volume as it quickly cooled and contracted once in the cup. Go material science! Or does material science only care about solids? Whatever, that's the domain of physics it reminded me of.
Are you sure it wasn't the cup expanding due to heat?  That seems much more likely to me.  Water is essentially incompressible...

Water may be incompressible, but it, like a solid, still changes volume as temperature changes.  Back of the envelope calculation says that 250 mL of boiling water will lose about 6 mL of volume in dropping to 60 °C.  The volumetric expansion of a ceramic is in the range of 30 ppm/K, or about 0.1% going from 20 °C to 60 °C.  So the cup expands by ~0.25 mL.
Ah right right... My bad.  How about glass?  My tea cup is made of glass.

SirPeebles

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Re: Random Stuff
« Reply #2880 on: April 25, 2014, 10:27:08 am »
0

Would evaporation be negligible here?  I would imagine hot water evaporates faster than cool water, but there probably isn't enough time for that to be significant.
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Ozle

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Re: Random Stuff
« Reply #2881 on: April 25, 2014, 03:53:31 pm »
+1

It's me drinking it with a secret straw...
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Re: Random Stuff
« Reply #2882 on: April 25, 2014, 03:55:12 pm »
+4

It's me drinking it with a secret straw...
So you're the famous straw man who always appears in the arguments of the people who I disagree with! I should have known it!
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Re: Random Stuff
« Reply #2883 on: April 25, 2014, 04:03:56 pm »
0

Did you guys consider:

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Ozle

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Re: Random Stuff
« Reply #2884 on: April 25, 2014, 05:40:44 pm »
0

It's me drinking it with a secret straw...
So you're the famous straw man who always appears in the arguments of the people who I disagree with! I should have known it!

If that's me though I would have claimed it earlier, and if I had claimed it earlier we wouldn't have this discussion.

So therefore it cannot be me
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Titandrake

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Re: Random Stuff
« Reply #2885 on: April 25, 2014, 07:28:09 pm »
+8

I'm not sure what the intersection is between people who like complexity theory and people who play Dominion, but this is pretty good if you're in that intersection.

http://corner.mimuw.edu.pl/?p=354
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Re: Random Stuff
« Reply #2886 on: April 25, 2014, 07:30:42 pm »
0

I'm not sure what the intersection is between people who like complexity theory and people who play Dominion, but this is pretty good if you're in that intersection.

http://corner.mimuw.edu.pl/?p=354

Win
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SirPeebles

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Re: Random Stuff
« Reply #2887 on: April 27, 2014, 03:27:11 pm »
+4

The legend was true.

#t=20
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Re: Random Stuff
« Reply #2888 on: April 27, 2014, 03:29:14 pm »
0

What're you talking about?
It was a typo.

No, it wasn't, I +1'd you immediately. I had planned, once you noticed, to then go back and un-upvote posts so you were back at 2047 as well. Sadly the moment seems to have passed, and the joke went unnoticed.
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...spin-offs are still better for all of the previously cited reasons.
But not strictly better, because the spinoff can have a different cost than the expansion.

Awaclus

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Re: Random Stuff
« Reply #2889 on: April 27, 2014, 03:39:42 pm »
+3

What're you talking about?
It was a typo.

No, it wasn't, I +1'd you immediately. I had planned, once you noticed, to then go back and un-upvote posts so you were back at 2047 as well. Sadly the moment seems to have passed, and the joke went unnoticed.
My plan was to get exactly 2048 respect, post about it, get someone +1 that just to make the statement untrue, edit the post and claim that it was a typo, and gain enough +1s by writing other posts to hide the fact that the +1 I received from that post was my 2049th +1. That way I could earn a free +1 and nobody would notice anything suspicious! Muahahahaha!

Yes, getting exactly 2048 respect just when 2048 was being talked about in this topic was also a part of my plan.
« Last Edit: April 27, 2014, 03:41:11 pm by Awaclus »
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Voltaire

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Re: Random Stuff
« Reply #2890 on: April 27, 2014, 03:57:20 pm »
+1

Every time I open this thread, and only this thread, the second newest post is where I start, and I always have to scroll up to read the post above it, which is always new to me.

Is this some sort of long-con joke too?
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sudgy

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Re: Random Stuff
« Reply #2891 on: April 27, 2014, 03:58:35 pm »
0

Every time I open this thread, and only this thread, the second newest post is where I start, and I always have to scroll up to read the post above it, which is always new to me.

Is this some sort of long-con joke too?

That's been happening to me too recently...
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   Quote from: sudgy on June 31, 2011, 11:47:46 pm

Ozle

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Re: Random Stuff
« Reply #2892 on: April 27, 2014, 06:20:54 pm »
0

Really?

In other news, came joint first in the pub quiz out of 30 teams today, lost on a tie breaker to our biggest quiz rivals, absolutely gutted, felt like coming last rather than second
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Ozle

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Re: Random Stuff
« Reply #2893 on: April 27, 2014, 06:21:07 pm »
+5

Really?

In other news, came joint first in the pub quiz out of 30 teams today, lost on a tie breaker to our biggest quiz rivals, absolutely gutted, felt like coming last rather than second
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Re: Random Stuff
« Reply #2894 on: April 27, 2014, 06:59:26 pm »
0

Yeah, it happens to me to. I was feeling like I kept missing messages in this thread.

Okay so I double posted then removed one of the posts. What happens to people's newest messages now?
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...spin-offs are still better for all of the previously cited reasons.
But not strictly better, because the spinoff can have a different cost than the expansion.

sudgy

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Re: Random Stuff
« Reply #2895 on: April 27, 2014, 08:32:04 pm »
+1

Ozle's second post was the one it brought me to.  I smell a conspiracy Theory.
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   Quote from: sudgy on June 31, 2011, 11:47:46 pm

scott_pilgrim

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Re: Random Stuff
« Reply #2896 on: April 27, 2014, 08:40:09 pm »
+18

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Witherweaver

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Re: Random Stuff
« Reply #2897 on: April 27, 2014, 08:44:13 pm »
+1

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Titandrake

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Re: Random Stuff
« Reply #2898 on: April 28, 2014, 01:16:42 am »
+2

AHHHH I HAVE CODE TO WRITE AND THE DEADLINE IS IN < 2 HOURS.

THAT IS ALL I'M DISTRACTED AND NEED TO WRITE SOMETHING to convince myself that i'm done being distracted.

Carry on
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AHoppy

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Re: Random Stuff
« Reply #2899 on: April 28, 2014, 02:37:58 am »
+1

but, that's the best way to write code...
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