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/sci/ - Science & Math

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File: 2.00 MB, 450x237, 1320058305509.gif [View same] [iqdb] [saucenao] [google]
3978369 No.3978369 [Reply] [Original]

>this gif
duuuuuuuuuuude, wut

>> No.3978383

It's a vortex ring.
http://en.wikipedia.org/wiki/Vortex_ring

>> No.3978391
File: 1.96 MB, 278x177, 1282126626429.gif [View same] [iqdb] [saucenao] [google]
3978391

suddenly, gif thread.

also >>3978383 thanks

>> No.3978399

For the love of god or everything that is holy to you post MOAR

>> No.3978404

>>3978391
No problem. Did you know that vortex ring is also the reason why helicopters rarely descent straight down from altitude?

The downwash from the propeller can create a vortex ring, which will cause a loss of lift. There have been deaths when an inexperienced pilot has forgotten or hasn't known better.

>> No.3978413

You think those are awesome?
Get a load of this;
http://www.youtube.com/watch?v=IyAyd4WnvhU

The same phenomenon, turned up to eleven.

Also, the same mechanism produces smokerings.

And speaking of smokerings, how about a volcano that makes them?
http://www.youtube.com/watch?v=hK6AezFRPZ0

>> No.3978415
File: 2.00 MB, 192x255, electrical treeing fossil trap lightning in a block lichtenberg figure.gif [View same] [iqdb] [saucenao] [google]
3978415

shame i can't post bigger than 3mb. would've posted atomic bomb blast in some ocean.
come to think of it, /gif/ does have the long running sci-related gif threads time to time.

>> No.3978429
File: 1.99 MB, 308x241, 1290578899154.gif [View same] [iqdb] [saucenao] [google]
3978429

>> No.3978446
File: 1.88 MB, 350x227, 1289456827834.gif [View same] [iqdb] [saucenao] [google]
3978446

>> No.3978471
File: 1.97 MB, 300x204, 1276026045188.gif [View same] [iqdb] [saucenao] [google]
3978471

wonders of science

>> No.3978481

>>3978471

Get that shit out of here. This is SFW you fucking prick.

>> No.3978488

>>3978415
post it in /gif/ and link back to here.

>> No.3978506

>>3978415
So what's happening here? What materials are involved and can I do this myself?

>> No.3978518

>>3978415
What the fuck happened here?

>> No.3978520

>>3978369
fun facts: dolphins can make bubble rings with their mouths/nostrils, and also by farting

I am too lazy to find the videos, but it is true. and there are videos of both

>> No.3978521

>>3978506
lichtenberg figure

>> No.3978532

>>3978471
>>3978429
oh god I laughed so hard for like 2 minutes straight and I dont even know why

>> No.3978539
File: 2.00 MB, 340x255, 1274683662497.gif [View same] [iqdb] [saucenao] [google]
3978539

>> No.3978545

>>3978488
ah screw it, getting posting errors
found it
http://www.youtube.com/watch?v=ggH-ObiUWEE

>> No.3978583

>>3978471
I can't stop looking at how her tummy contracts when she hurls.