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January 31, 2007 3:52 AM   Subscribe


 
The popcorn one has made my day.
posted by chrismear at 4:07 AM on January 31, 2007


I just spent a few minutes figuring out how to download these. Great stuff!!!
posted by GavinR at 4:09 AM on January 31, 2007


The water balloon ones are great. Those first nanoseconds after the balloon is punctured, but the water still has a shape. Fantastic.
posted by flapjax at midnite at 4:22 AM on January 31, 2007


I just watched the dog drinking water, and I still don't know how they get any in their mouth.
posted by splatta at 4:59 AM on January 31, 2007


*enjoys*
posted by soundofsuburbia at 5:17 AM on January 31, 2007


Muchas gracias!
posted by vronsky at 5:25 AM on January 31, 2007


Cool! Can someone explain the expanding distortion of the (air?) in the car explosion video. I know there is a sudden blast of high pressure, but why is it visible in that way?
posted by punkfloyd at 5:55 AM on January 31, 2007


The car exploding is cool because you can see the very fabric of the universe being blasted heavenward.

Er, ah. Good morning.
posted by gwint at 6:30 AM on January 31, 2007


pinkfloyd:
I think it's due to the difference in light refraction caused by the air being compressed.

What am I basing this on? Pure intuition. And some introspection.
posted by logicpunk at 6:34 AM on January 31, 2007


Could anyone explain to me the visual phenomenon in the "Projectile" clip? It's like the tri-tipped sign for nuclear energy or bio-waste. I don't get it. Also - completely awesome post.
posted by billysumday at 6:41 AM on January 31, 2007


billysumday: It's a second camera view from ahead and underneath. What you are seeing is the sabot falling away from the sub-caliber projectile.
posted by moonbiter at 6:58 AM on January 31, 2007


Dee Damn Lightful! Nice work, loq.
posted by jonson at 7:07 AM on January 31, 2007


Yeah, that cut over to camera two and back on the projectile clip was damned weird. Show 'em in sequence, you ninnies; this is not a Bruckheimer project.
posted by cortex at 7:09 AM on January 31, 2007


Awesome stuff.

Too bad, though, that they used Tim Henman for the tennis forehand clip, rather than someone with a more explosive forehand like Rafael Nadal. Missed opportunity.
posted by psmealey at 7:18 AM on January 31, 2007


I want to know how the camera tracked that projectile so smoothly.
posted by schoolgirl report at 8:02 AM on January 31, 2007


With any luck I should get to play around with a Phantom camera in a couple of weeks. Psyched.
posted by nathancaswell at 8:17 AM on January 31, 2007


And don' forget the cool stuff we've already seen.
posted by elfollador at 8:22 AM on January 31, 2007


Reminds me of that movie where they caught a male of the Homo sapiens species at the exact moment of orgasm during mating. So-so camera work and the soundtrack was dreadful. Needed Attenbourough for a voice-over to walk you through it. And less wah-wah. Other than that, very educational.
posted by hal9k at 8:31 AM on January 31, 2007


Outstanding post. I could watch the popcorn one all day.

And dogs curl their tongues backwards to lap up water? I definitely didn't expect to learn that today.
posted by Terminal Verbosity at 8:39 AM on January 31, 2007


Great!
posted by Merlyn at 8:45 AM on January 31, 2007


Water Balloon I and II gave me religion.

Thank you.
posted by django_z at 9:25 AM on January 31, 2007


How cool is that little smoke ring that proceeds the projectile out of the barrel?

Also, Ordell Robbie would love the Super Dangerous clip.
posted by Horace Rumpole at 9:30 AM on January 31, 2007


These are fantastic. Which forces me to ask, how much does a Phantom v7 camera cost?

I'm guessing 'a lot'.
posted by quin at 9:43 AM on January 31, 2007


splatta : I just watched the dog drinking water, and I still don't know how they get any in their mouth.


It's counterintuitive, but the dogs' tongue curls backwards* which makes a scoop with which it pulls the water into it's mouth. I had always heard this was how they did it, and it was pretty neat to actually see it in action.

*: Though 'backwards' is probably a poor term, in a human it would be twisting the tongue so it pointed at the chin, as opposed to the nose, because dog's tongues are much longer, it's a more noticeable effect.
posted by quin at 9:54 AM on January 31, 2007


Ever since the first time I saw the any of the Eadweard Muybridge sequences, videos of horses running have blown my mind.
I mean, come on, they're horses and they're FLYING.
posted by Hadroed at 9:55 AM on January 31, 2007


Though 'backwards' is probably a poor term...

'Downwards' might be better, I suppose. I think your description is clear enough, regardless.
posted by cortex at 10:00 AM on January 31, 2007


Cats do the same thing, but they're assisted by the barbs on their tongue. I remember learning this somewhere when I was a kid and being unable to resist trying it out.

You haven't lived until you've got down on your hands and knees and lapped water out of the household pet's waterbowl... for science!

Yeah, it works. But it's a hell of a way to get a drink.
posted by loquacious at 10:09 AM on January 31, 2007


I love the smoke ring in the projectile video.
posted by brundlefly at 10:37 AM on January 31, 2007


Nice! I can't get over that shockwave in the one where the car blowed up. It's like we're seeing the moments between the moments with these hi-speed cameras.
posted by Mister_A at 11:28 AM on January 31, 2007


How cool is that little smoke ring that proceeds the projectile out of the barrel?

During an (American) Civil War battle reenactment on an intensely humid Virginia afternoon, I got to see the much larger, slower version of this from the muzzle of a 12-pounder that fired a blank (of course) charge; the annulus just hung there roiling, seemingly for minutes, causing gasps from the crowd of onlookers and even causing some of the reenactors to pause in their mock combat to admire it.
posted by pax digita at 12:13 PM on January 31, 2007


how much does a Phantom v7 camera cost?

So we've got a couple of Phantoms in our lab - one v4 and one v5. We bought them together, and we're an academic outfit so we get a bit of a discount, but the total was in the high 5 figures.

In a previous job I used a Phantom to capture bullets in flight. We got up to about 60,000 fps in order to check stability on 800 m/s bullets.

They are good cameras.
posted by mbd1mbd1 at 12:27 PM on January 31, 2007


Awesome! Popcorn, water balloon, bow through the apple, and projectile are my favorites. Hey GavinR or anyone else, any clue on how to download these? I use FF and Opera.
posted by sonicbloom at 1:20 PM on January 31, 2007


mbd1mbd1, I don't know specifically what you do for a living, but I just realized something, and I hope you won't take offense at this; I hate you. I hate you so very much. You clearly have one of those cool jobs that involves expensive cameras, and laboratories, and (just kill me now...) firing bullets to test for ballistic stability.

/sulks.
posted by quin at 1:24 PM on January 31, 2007


Woman with a gun in slow motion. Someone call Tarantino.
posted by badlydubbedboy at 2:31 AM on February 1, 2007


GavinR (or anyone) - how can I save these movies?
posted by shokod at 4:11 AM on February 1, 2007


I'm with you, schoolgirl report; I think some of these are likely fake. The projectile is very CGI, to my eye. If we assumed 1000, or even 500, feet per second for a projectile like that, who swiveled the camera?

I do buy most of the rest, though...
posted by rleamon at 6:52 PM on February 1, 2007


But more importantly, nice post -- thank you.
posted by rleamon at 6:53 PM on February 1, 2007


If we assumed 1000, or even 500, feet per second for a projectile like that, who swiveled the camera?

Math + machine drive = awesome camerawork at high speeds. Do not underestimate the photographic and cinematographic prowess of dedicated nerds; no one has pointed out any telling details that would call the authenticity of that clip into question.
posted by cortex at 7:03 PM on February 1, 2007


If we assumed 1000, or even 500, feet per second for a projectile like that, who swiveled the camera?

You wildly underestimate the muzzle velocity of smooth bore kinetic energy penetrators. Try around 5,000+ fps. In any event cortex is absolutely correct. Some of the pan/tilt units here would probably do the job nicely.
posted by moonbiter at 4:02 AM on February 2, 2007


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