Shooting an AK-47 underwater at 27,450 frames per second 07.28.2013 :: 11:02AM EST @jplafke About one month ago, YouTube series Smarter Every Day not only showed us what it was like to shoot an AK-47 underwater, but also showed us that the gun fires faster while underwater. Though one might assume the water would either slow the firing down or prevent it completely, it turned out that the water creates a large amount of pressure in the chamber, which in turn put more force on the gun’s piston. Now, Smarter Every Day brings us part two of the series, wherein series host Destin films the shot at 27,450 frames per second, as well as teaches us all about cavitation. After the gun fires, the bullet tears through the water, leaving a pocket of air in its wake. As seen in the super slow motion, the water quickly fill back into the pocket, and kind of bounces when the sides hit each other, creating oscillation. Thanks to the two different levels of pressure — the bubble’s expansion and the water it’s expanding against — the bubble expands and contracts until there’s no more kinetic energy left from the pressure.
The pockets of air that come out of the gun upon firing are actually three different pockets. The fuzzy one is caused by the gunpowder shooting out of the gun, one is a water jet, and the smooth one is caused by the bullet’s vapor trail (all of which can be seen at around the 8:50 mark in the above video). If you’re into amusing science that sometimes involve big guns, head on over to the Smarter Every Day YouTube channel and be entertained while learning something. subscribe to our newsletter: Subscribing to a newsletter indicates your consent to our Terms of Use and Privacy Policy. Call of duty modern warfare mod continual warfare Immersive player experience using building design field grasses and various constructs towards game play. This is a skin mod. Change russian force with this. Using mask and other... mp surv port d Welcome to Port D Can you survive the zombie horde? Converted to RotuR Mod:C20Dragon Welcome to FNRP Janjira Can you survive the zombie horde?
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Weapon Camo: DooM's AK-47 Made by: Gawr ----- Version 1.0Among the loot Broward Sheriff’s Office says it discovered upon busting a home-robbing quartet last week: jewelry, bullets and an AK-47.That’ll get you a few charges. The foursome’s 20-year-old Sunrise duo, Boris Agenor and Kevin Jerome, each face charges of armed burglary, grand theft of valuables between $300 and $5,000 and resisting an officer/obstruction of justice. Another 20-year-old, Rijkard Desrosiers of Lauderdale Lakes, faces the same charges minus the resisting an officer charge. Olivier Jean Baptiste, 19, from Sunrise got arrested on the same three charges as Agenor and Jerome with another charge of unarmed burglary.Agenor’s past contains a guilty plea to aggravated battery with a deadly weapon (given 144 days, time served) from last year. In addition to this case, he has a case from May that includes charges of home burglary; aggravated assault on a police officer and resisting arrest with violence. The other three haven’t been hit with anything harder than a speeding ticket.
Last Thursday, while investigating home burglaries, BSO’s Burglary Apprehension Team teamed up with special units out of Palm Beach Sheriff’s Office, Coral Springs Police Department and Fort Lauderdale Police Department to watch what the arrest report terms a “suspicious vehicle” — as described by BSO, a black Toyota Corolla with four black males. The car “seemingly cased a residential neighborhood in east Fort Lauderdale before parking in the driveway of a house in the 1600 block of Northeast 18th Street.According to BSO deputies, they watched all but Desrosiers enter the house. When Jerome emerged with his pillow case full of loot, police said, he jumped in the rear driver’s seat. Police moved in for the pickups. Agenor and Jean Baptiste ran, but were quickly captured. Check out an excerpt of the Desert Eagle Building Instructions (PDF) From LEGO guns mastermind and 18–year-old YouTube sensation Jack Streat comes LEGO Heavy Weapons, a collection of complete building instructions for four truly impressive, 1:1-scale replicas of the world's most iconic firearms.
LEGO Heavy Weapons will show you how to build brick-based models of: A massive Desert Eagle handgun, with working blowback action The compact but deadly AKS-74U assault rifle with folding stock A bolt-action Lee Enfield rifle (a.k.a. Jungle Carbine) A pump action SPAS combat shotgun Each set of instructions includes a complete parts listing, so you can find (or special order) any hard-to-find bricks. The book's illustrated, step-by-step building instructions will be clear to anyone who's ever played with LEGO bricks, and the biggest models will challenge and delight even the most serious builders. About the AuthorSince posting his first LEGO gun online at age 13, Jack Streat has played an influential role in the LEGO weapons builder community. In his spare time he modifies guitars in a never-ending quest to make them as loud as possible. Streat wrote this, his first book, when he was 18 years old. Check out the LEGO Heavy Weapons video! Table of ContentsChapter 1: Desert Eagle
Chapter 3: Lee-Enfield Sniper Rifle (Jungle Carbine) Chapter 4: SPAS-12 Combat ShotgunReviews"If I'd seen Jack Streat's LEGO gun creations [as a kid], my head would've exploded. Heck, seeing them as an adult is doing just that—ka-boom!" —Brian Ashcraft, Kotaku (Read More) discusses the book and interviews Jack Streat, the author (Read More) Featured on The Daily Mail (Read More) Wired Magazine's GeekMom interviews Jack Streat, the author (Read More) "Equal parts disturbing and awesome." —Wired Magazine’s Tumblr (Read More) "Nothing is more satisfying than building something with your own two hands—especially when it's a 1:1 scale AK47 assault rifle!" —MTV Geek (Read More)The San Francisco Chronicle's Mommy Files blog discusses the controversy behind the book. "The only thing 'scary' about his book is how some are overreacting to it.” —NRA, News & Issues (Read More) As seen on Uncrate! Featured on Boing Boing (Read More)
As seen on Cool Hunting (Read More) Profile of Jack Streat, the author —East Anglican Daily Times (Read More) "An excellently designed, and thoroughly informative piece of work which I highly recommend." —Greg Barbrick, Blogcritics (Read More) Featured on The Gentlemint (Read More) "Love the shotgun and Enfield." —The Firearm Blog (Read More) "The directions are straight to follow, and easy to manage. I commend young Mr. Streat on his ingenuity and dedication in building such incredible replicas." —A LEGO A Day (Read More) "If you want a collection of cool guns without the expense and danger of real firearms, you need LEGO Heavy Weapons." "If you love building cool looking models with intricate mechanisms, even if you’re not into guns, then this book is for you." —Bot Bench (Read More) Featured on Laughing Squid (Read More) Featured on episode of The Brick Show (Watch it here!) Wikinews interviews Jack Streat, the author (Read More)
"Make sure to check out LEGO Heavy Weapons if you get the chance because it is one book you won't want to miss." —BioGamer Girl Magazine (Read More) "By the time you finish LEGO Heavy Weapons, by Jack Streat you’ll have the skill set to begin designing your own replicas...of just about anything." —Jeff Soyer, Alphecca (Read More) "Really, this is pretty slick." —Stuff From Hsoi (Read More) Featured on The Hundreds (Read More) Featured on HiConsumption (Read More) Featured on Design You Trust (Read More) "The mechanisms that he designs are intricate; a watchmaker would have been proud of this work." —Mark Crosbie, Think Bricks (Read More) "I love that each set of instructions contains a list of LEGO bricks needed to complete each project so you can be sure you have everything piece on hand before you get started!" —My Springfield Mommy (Read More) "This was a very interesting and satisfying way to get back into a very cool and mentally stimulating hobby."