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NASA fires a BB into water at 20x the speed of a bullet

NASA fires a BB into water at 20x the speed of a bullet

NASA fires a BB into water at 20x the speed of a bullet

d4g4n says...

The gun is a gas chamber gun and this was done at the Ames Vertical Gun Range at the NASA Ames Research facility in Moffett Field, CA. The gun can fire projectiles at around 5 km/s.

Latest navy railgun test video

jwray says...

>> ^Pring4:

According to the logo, this project has aspirations of sending these rails from the arctic circle to anywhere in the world. I support this.


Hate to burst your bubble, but at earth's surface escape velocity the kinetic energy of a projectile is only 32 times its weight in TNT. With suborbital flights and resistance on reentry the effect would be considerably less than that. Wind during the ascent would throw it off farther than the destruction radius unless the slug was really huge (multiple tons) or they put in some internal guidance system that can survive the biggest EMP ever.

You've got to be joking: 2012 Edition

sixshot says...

The reason why the sights don't line up is because when you view it in real-time, there's a lot of camera shaking. There's also the timing of the bullet travel and lead-off for the victim. Added to that is the weirdness in the netcode which probably may throw people off even more.

The sniper rounds and bullet travel is something that takes extra time to get used to, especially for any players who usually play sniper. Bullets act like projectiles and when you're sniping, you're going to get bullet drops. Granted, you don't see this in other games like "a certain other FPS game." This is why it takes a good amount of time to build up that mental judgement of how far the target is, whether it's moving, how much to lead off, and how much to compensate for bullet drop.

MythBusters Cannonball Experiment Gone Wrong Hits Houses/Car

Jinx says...

>> ^hpqp:

Am I the only one whose first reaction when seeing the cannonball hole was "FAKE!!" ?

Tbh I had no idea a cannonball could do that kind of damage. I thought thay travelled a lot slower than 1000ft/s. Something with that kind of mass travelling at close to the speed of sound. I think I'd make sure there was a mountain or something between me and the nearest settlement when firing that thing.

And its not that surprising it missed those trash cans. A spherical projectile with no rifling? Yah, that shits gonna go anywhere it fucking pleases.

In a semi-related note my mum was missed by less than a metre by a bullet from a nearby shooting range when she was a teenager. I almost didn't exist due to similar accident as this

mintbbb (Member Profile)

Tomorrowland 2011 | Official After Movie

Peroxide says...

>> ^Trancecoach:


In other words, where are all the people who passed out in puddles of vomit on the floor of the port-o-potty?


I went to a DoMakeSayThink concert and this dude projectile vomited all over the floor, and a lil' bit on to the girl's dress who happened to be in front of him.

It happened earlier on in the concert, and people kept walking into it because it was the only open space on the floor, and then, then they would slowly smell and realize...

the horror of what they stood within.

needless to say I was entertained by both the music and the ongoing horror show.

Find Makarov: Operation Kingfish

Human Slingshot Slip and Slide

Will a gun fire in a vacuum?

deathcow says...

>> ^DonanFear:

Actually, guns work BETTER in a vacuum because there is no air to slow down the projectile, no wind and possibly (if you're in space) no gravity to compensate for when aiming.


Warning. You need to either be secured to something, or have a thruster pack, because the gun will act as a propulsion source for you. I speak from personal experience.

Will a gun fire in a vacuum?

DonanFear says...

Actually, guns work BETTER in a vacuum because there is no air to slow down the projectile, no wind and possibly (if you're in space) no gravity to compensate for when aiming.

P-90 Demo ( Firearm )

Battle: Los Angeles - Full, Theatrical Trailer HD

Payback says...

>> ^HugeJerk:

That's one of the things I really like about this trailer. The aliens are using missiles and what appear to be regular projectiles. Even their ships seem to shift around as if using thrust rather than some magical anti-gravity.


Yeah, right up until the end when the Borough of Watts (Hell, could be Huntington Beach for all I know, most of LA looks the same to me) rises up out of the ground...

Battle: Los Angeles - Full, Theatrical Trailer HD

HugeJerk says...

That's one of the things I really like about this trailer. The aliens are using missiles and what appear to be regular projectiles. Even their ships seem to shift around as if using thrust rather than some magical anti-gravity.>> ^Payback:

I would really like to see a movie where aliens invade that don't have awesome, hugely advanced technology, and every facet of their war was in line with real weapons and real consequences.
<snip>
When they land, they have guns. Not lasers, or plasma rifles, or antigrav gunships, or weird fucked-up magic death rays that suck you up into the sky through your eyeballs (Skyline was teh suck).



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