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Perestroika posted:You can also do it in an even smaller scale at home by taking a regular drinking can, emptying it, and then holding it upside-down above boiling water to fill it up with steam (hold it with tongs or something rather than by hand). Then, still holding it with the opening pointing down, swiftly dunk it into cold water. It should implode pretty energetically more or less the moment it touches the surface. You can also fill bottles using steam vacuation.  Put a small amount of water in the bottle, microwave it for a minute or two, then upend it into water 
Megillah Gorilla has a new favorite as of 05:47 on Jan 19, 2016 |
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Jan 19, 2016 05:45
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Traffic Cop gets hit
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Jan 19, 2016 05:58
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Gorilla Salad posted:You can also fill bottles using steam vacuation. Google produces zero results for "steam vacuation" but I wanna know more about the physics of this.
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Jan 19, 2016 06:56
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Hyperlynx posted:Google produces zero results for "steam vacuation" but I wanna know more about the physics of this. https://en.wikipedia.org/wiki/Suction Also see related article of "Your Mom"
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Jan 19, 2016 06:58
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VendaGoat posted:Also see related article of "Your Mom" "World's Sloppiest Holes" redirects here. For other uses, please see "Dad's Favourite Cum-Dumpster".
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Jan 19, 2016 07:11
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Hyperlynx posted:Google produces zero results for "steam vacuation" but I wanna know more about the physics of this. Vacuation is an old word and not that common outside oldschool chemists. But I'm surprised there aren't any results at all for steam vacuation. Yeah, I checked too. The Steam gaming software and "evacuation" really skew the results. But "vacuation" on its own at least points to a few dictionary sites. https://www.youtube.com/watch?v=qodHf-ryy8Q Also great for getting out splinters if you have something to put between yourself and the bottle so you don't get burned. 
Megillah Gorilla has a new favorite as of 07:34 on Jan 19, 2016 |
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Jan 19, 2016 07:32
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Gorilla Salad posted:Vacuation is an old word and not that common outside oldschool chemists. That looks like a great way to make a glass bottle shatter in your hands from thermal shock.
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Jan 19, 2016 10:28
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http://i.imgur.com/p2lPjly.webm
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Jan 19, 2016 11:24
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Hyperlynx posted:Google produces zero results for "steam vacuation" but I wanna know more about the physics of this. As a historical aside, this was the basis for the first successful steam engine, the Newcomen engine. A piston would rise and fill a cylinder with steam, then at the top of its stroke a jet of cold water would condense the steam and the atmospheric pressure would force the piston back down (aka "suction"). It would then start over again, filling the cylinder with steam. It was only like 0.5% efficient or so, but it was good enough to run pumps to keep water out of mines, for example. James Watt then revolutionized steam power by inventing an external condenser. When the piston got to the top, a valve would open a door to a cold area and all the steam would condense there, rather than the water cooling the entire cylinder, as in the Newcomen cycle. This boosted the efficiency to about 2.5%, and making it far cheaper to operate. Further developments would use high-pressure steam and get the efficiency up to about 15-20% overall and getting the power-to-weight ratio down to where they could be used on boats and railroads.
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Jan 19, 2016 14:49
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Gorilla Salad posted:You can also fill bottles using steam vacuation. http://i.imgur.com/oD7HkYO.webm (Mine's electric.)
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Jan 19, 2016 15:28
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Hirayuki posted:I think this is how my coffeemaker works. I've got a box of about 6 of those Cona coffee makers of various ages. They're really fun and make an ok cup of coffee.
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Jan 19, 2016 15:45
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Aramoro posted:I've got a box of about 6 of those Cona coffee makers of various ages. They're really fun and make an ok cup of coffee.
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Jan 19, 2016 15:50
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Hirayuki posted:Did the shirtless old man come with, or was he sold separately? Usually you have to pay extra.
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Jan 19, 2016 16:08
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Hyperlynx posted:Google produces zero results for "steam vacuation" but I wanna know more about the physics of this. Bottle filled with steam. Bottle placed in water. Steam condenses rapidly. Bottle now filled with nothing. Air pressure pushes water into bottle.
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Jan 19, 2016 16:18
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So by cooling the steam you force it to condense, liquid takes up less volume than gas since it doesn't expand to fill containers, the space that was full of steam is now at low pressure/vacuum so it sucks up the liquid from outside the container?
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Jan 19, 2016 23:16
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Hyperlynx posted:So by cooling the steam you force it to condense, liquid takes up less volume than gas since it doesn't expand to fill containers, the space that was full of steam is now at low pressure/vacuum so it sucks up the liquid from outside the container? Well, it's more atmospheric pressure pushes on things trying to get to the low-pressure area. Like when you suck a drink through a straw, what's actually happening is that your cheeks puff out to create low pressure in your mouth. Air pressure then pushes down on the surface of your drink and forces it up the straw. You can't suck any liquid out of a sealed container - it has to be open to the atmosphere.
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Jan 19, 2016 23:27
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Deteriorata posted:You can't suck any liquid out of a sealed container - it has to be open to the atmosphere. https://en.wikipedia.org/wiki/Surface_tension#Surface_area_growth Correct
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Jan 19, 2016 23:34
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 Gud birb
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Jan 19, 2016 23:36
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Jan 20, 2016 00:19
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Jan 20, 2016 00:46
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hey, I have done that with a beer bottle.
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Jan 20, 2016 00:54
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Jan 20, 2016 00:58
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http://i.imgur.com/5KPAvrj.webm
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Jan 20, 2016 01:20
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LethalGeek posted:It's so nice this thread doesn't blow up whatever browser I try to look at it with because of 80MB GIFs. Bless Lowtax 67mb http://i.imgur.com/p6eW9wA.gifv 1mb
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Jan 20, 2016 02:05
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Jesus thank you.
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Jan 20, 2016 02:09
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Baronjutter posted:Jesus thank you. The worst thing is it was already on imgur on the same url. Same: 3mb http://i.imgur.com/qmJfXWh.gifv 350kb GIF is still useful in some places, but c'mon. The future is better
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Jan 20, 2016 02:18
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Deteriorata posted:Well, it's more atmospheric pressure pushes on things trying to get to the low-pressure area. Isn't it just semantics whether low pressure pulls air towards it to equalise vs high pressure pushes air away from it to equalise?
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Jan 20, 2016 02:40
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Hyperlynx posted:Isn't it just semantics whether low pressure pulls air towards it to equalise vs high pressure pushes air away from it to equalise? Physically, though, a vacuum has no mass and can exert no force. It's all the atmosphere pushing. Suction is an apparent force, not a real one. It's analogous to the way heat flows. Temperature can be considered "thermal pressure." We don't consider "cold" to be a thing that sucks in heat - heat flows from a high temperature area to a lower one.
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Jan 20, 2016 03:00
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I think it helps highlight the push vs. pull to note that doing the same trick in space wouldn't work.
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Jan 20, 2016 03:02
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Never mind they covered it.
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Jan 20, 2016 03:02
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http://imgur.com/gallery/rgGmGq5
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Jan 20, 2016 03:11
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Deteriorata posted:Well, they seem interchangeable to outward appearances. If that's all you're concerned with, it makes no difference. If all you care about is that the Sun rises in the east, it doesn't matter if the Earth is revolving around the Sun or vice versa - it looks the same either way. Aha. That's an excellent explanation, thank you!
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Jan 20, 2016 03:11
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Jan 20, 2016 03:53
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I think what we have going on here is when the dude hits the neck, the water at the base cavitates then slams back like a hammer. Common beer trick too They should call this the "Millennium Falcon"
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Jan 20, 2016 05:23
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Edmund Honda posted:I kinda didn't want to say anything because people posting content can do what the fuckever they want, but literally 67x the size and lower quality is a bit much
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Jan 20, 2016 07:28
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Here, let me help you. In that page, click on the image, 'copy video address', an paste into [url][/url] tags here. http://i.imgur.com/rgGmGq5.webm Voilla.
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Jan 20, 2016 08:52
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Edmund Honda posted:I kinda didn't want to say anything because people posting content can do what the fuckever they want, but literally 67x the size and lower quality is a bit much gifv does not works in the ipad 
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Jan 20, 2016 12:56
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Elias_Maluco posted:gifv does not works in the ipad Lowtax lied, iPads died.
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Jan 20, 2016 13:31
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ultrabindu posted:Lowtax lied, iPads died. You two sick fuxjs lied because that works on awful.app Which I think uses some safari link Thanks a lot that I could see that abomination to the eyes
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Jan 20, 2016 14:21
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Ghostlight posted:In that particular case the quality of the gif shits all over the gifv and 3mb is not a huge ask. Adding a stage where the video is downsampled to 8-bit colour makes it look poo poo, who knew Elias_Maluco posted:gifv does not works in the ipad iOS still doesn't support webm in the browser? http://i.imgur.com/7ImOh2A.webm
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