science technology for United StatesArchive 2017

Operation Redwing - Kickapoo 35735
#91Science & Technology

Operation Redwing - Kickapoo 35735

The U.S. conducted 210 atmospheric nuclear tests between 1945 and 1962, with multiple cameras capturing each event at around 2,400 frames per second. But in the decades since, around 10,000 of these films sat idle, scattered across the country in high-security vaults. Not only were they gathering dust, the film material itself was slowly decomposing, bringing the data they contained to the brink of being lost forever.\n \nFor the past five years, Lawrence Livermore National Laboratory (LLNL) weapon physicist Greg Spriggs and a crack team of film experts, archivists and software developers have been on a mission to hunt down, scan, reanalyze and declassify these decomposing films. The goals are to preserve the films’ content before it’s lost forever, and provide better data to the post-testing-era scientists who use computer codes to help certify that the aging U.S. nuclear deterrent remains safe, secure and effective.\n \nRead more: https://www.llnl.gov/news/physicist-declassifies-rescued-nuclear-test-films\n\nLLNL Copyright and Reuse Policy: https://www.llnl.gov/copyright-and-reuse\n\nSee the declassified LLNL tests: https://www.youtube.com/playlist?list...

Channel

Lawrence Livermore National Laboratory

Views

30.4K

Important upgrades for the EleksMaker PCB laser CNC machine
#92Science & Technology

Important upgrades for the EleksMaker PCB laser CNC machine

Laser machine: https://goo.gl/5AsDBU\nLaser diode: https://goo.gl/HkebeW (SOLD OUT)\nLaser diode alternative: https://goo.gl/XgpiYu (NOT TESTED)\nLaser patreon: https://www.patreon.com/marcoreps\nL ... Stepper driver: http://www.watterott.com/de/SilentStepStick-TMC2130\n\nFinal wiring and software setup: https://reps.cc/?p=5\n\nThis videos is about modifications that turned the EleksMaker machine into a better performer than the already amazing 3D printer. First I 3D printed belt holders and adjustable roller mounts for the X axis to ease all movements. Then I equipped a small-dotted 405 nm laser diode, to improve on fine details. Finally I replaced the Pololu A4988 stepper drivers with Watterott TMC2130 ones. All the advantages of these Trinamic ICs will not fit in this text field.

Channel

Marco Reps

Views

25.1K

Commodore 64 | A Restoration (almost) | Trash to Treasure
#93Science & Technology

Commodore 64 | A Restoration (almost) | Trash to Treasure

● Patreon: https://www.patreon.com/RetroManCave\n\n● Links\nTheFutureWas8Bit - https://www.thefuturewas8bit.com\nPixelWizard - https://shop.pixelwizard.eu\nSIDNIFY (Music) - sidnify.com\nJan Beta - youtube.com/janbeta\nTodds Nerd Cave - youtube.com/toddsnerdcave\nMordi - http://mordi.ziphoid.com/\n\n● Description\nWork continues on our donated C64, we've got to know the machine now lets try to restore it. This time I take a different approach to my usual method with some additions which are surprisingly available off the shelf.\n\n● Series\nPart 1 - Meet the C64 with Jan Beta - https://youtu.be/f6vytxOoFeg\nPart 2 - A Restoration (almost) - https://youtu.be/15nf2EBBNu0\nPart 3 - In Progress\n\n● Music\nSIDNIFY - Overprime (Supremacy C64 Remix)\nResolution - Mordi - http://mordi.ziphoid.com/\nHeart Break - Vibe Tracks\nThe Night Falling - JR Tundra\nMove That Azz - MK2\nTrancer - Gunnar Olsen\n\nCode Blue by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)\nArtist: http://audionautix.com/

Channel

RetroManCave

Views

18.0K

Does Turkey Make You Sleepy?
#95Science & Technology

Does Turkey Make You Sleepy?

The tryptophan in turkey gets a bad rap every Thanksgiving. Here's the real reason you're so tired. Following is a transcript of the video.\n\nDr. Daniel Barone: So the myth is that turkey has a lot of a chemical known as tryptophan, which is actually the precursor to melatonin. So people think that when you, around Thanksgiving time, when you have a lot of turkey, that makes you tired because of all the tryptophan that you're eating gets produced into melatonin and then it makes us fall asleep.\n\nThat’s actually not true, the reason why we tend to be tired after we have a large meal of Thanksgiving is simply because of the amount of food that we're having we have what's called postprandial fatigue, which is basically after you've had a big meal your body goes into basically shutdown mode and sleep gets promoted.\n\nThat's why that's why a lot of other countries have siestas for this reason. After lunch, the body goes into postprandial fatigue and then having a little nap can be can be very nice.\n\nAfter we have a big meal, especially around lunchtime, the body just naturally has its own internal clock which tells us that we should be falling asleep around that time.\n\nFalling asleep or being in a relaxed state after you've had a meal helps somebody digest it and use those nutrients to heal the body and repair the damage that’s occurred.\n\nRead more: http://www.businessinsider.com/sai\n\nFACEBOOK: https://www.facebook.com/techinsider\nTWITTER: https://twitter.com/techinsider\nINSTAGRAM: https://www.instagram.com/tech_insider/

Channel

Tech Insider

Views

14.2K

Model Aircraft Styled 3D Printed Air Engine, Experimental, 10 by 3.8 Propeller at 1PSI
#96Science & Technology

Model Aircraft Styled 3D Printed Air Engine, Experimental, 10 by 3.8 Propeller at 1PSI

This model: https://www.youtube.com/watch?v=YwXLSNh9-cU with a commercially available 10 by 3.8 SF propeller at 1PSI.\n\nStl files, printing, assembly and operating instructions at the following locations:\n\nhttps://www.instructables.com/id/Mode...\nhttps://www.youmagine.com/designs/mod...\nhttps://www.myminifactory.com/object/...\n\nDesigned using Autodesk Fusion 360, sliced using Cura 3.04, and printed in PLA and PVA on an Ultimaker 2+ Extended and an Ultimaker 3 Extended.

Channel

gzumwalt

Views

14.0K

Atari Lynx | LCD Upgrade (Mcwill Mod)
#97Science & Technology

Atari Lynx | LCD Upgrade (Mcwill Mod)

● Patreon: https://www.patreon.com/user?u=5742562\n\n●Links\nDragonBox - https://www.dragonbox.de/en/107-console-mods\n\n● Description\nFollowing our Lynx restoration series it's time to take it one step further, addressing the systems biggest weakness the passive matrix display.\n\n● Music\nEnd of Summer - The 126ers\nStrange Stuff - Matt Harris\nSunburned Salvation - The 129ers\nWe can hear you - The 129ers\nRMC Outro - SonOfHelios.com\n\n● Notes & Corrections\nThis is not an instructional video for installation. Due to the editing a cable is not present from the brightness dial to the Mcwill screen. This cable was fitted to enable the scan lines to function.\nIf you're looking for a very in depth step by step installation guide I recommend: https://youtu.be/6lRJg-zZZOk

Channel

RetroManCave

Views

12.5K

Hacking PIN Codes with a 3D Printer - Hak5 2314
#98Science & Technology

Hacking PIN Codes with a 3D Printer - Hak5 2314

In this very serious episode of Hak5, we learn how to hack PIN codes with a 3D printer by editing code for the 3D printer axis!\n\nSpecial thanks to David Randolph for joining us on this episode! - https://www.printedsolid.com\n\n-------------------------------\nShop: http://www.hakshop.com\nSupport: http://www.patreon.com/threatwire\nSubscribe: http://www.youtube.com/hak5\nOur Site: http://www.hak5.org\nContact Us: http://www.twitter.com/hak5\nThreat Wire RSS: https://shannonmorse.podbean.com/feed/\nThreat Wire iTunes: https://itunes.apple.com/us/podcast/threat-wire/id1197048999\nHelp us with Translations! http://www.youtube.com/timedtext_cs_panel?tab=2&c=UC3s0BtrBJpwNDaflRSoiieQ\n------------------------------

Channel

Hak5

Views

11.5K

OPTICAL ILLUSION: Jaw-dropping Diamonds
#99Science & Technology

OPTICAL ILLUSION: Jaw-dropping Diamonds

No special effects or editing tricks...just an amazing optical illusion that's hard to believe. Check this out and share it with everyone you know! The crazy diamonds are back. This time the color is inverted and in 1080p high resolution. Like, comment and Subscribe! Peace!!\n\nMore science videos and optical illusion videos on my channel here: https://www.youtube.com/user/greeenpro2009

Channel

greeenpro

Views

11.4K

What is Gigabit LTE, Why You Need It, & How to Get It
#100Science & Technology

What is Gigabit LTE, Why You Need It, & How to Get It

HEAD TO THIS LINK FOR MORE INFO ON THIS COOL FEATURE - https://www.qualcomm.com/products/snapdragon/gigabit\n\nGuys, we need to talk about a feature in phones that no one seems to be talking about--gigabitLTE.\n\nNow, as the name implies, it's LTE that is capable of delivering up to 1Gb/s speeds.\n\nI managed to, in San Francisco in the real world, not a lab, get over 400 Mbps. Let me explain.\n\nCheck out the rest of the channel: https://youtube.com/c/theunlockr\nSubscribe! - http://www.youtube.com/user/mobileunlimited?sub_confirmation=1\n\nConnect with me on our social networks to chat, get behind the scenes photos, and shots of tech I'm excited about:\n\nFacebook - https://www.facebook.com/TheUnlockr\nTwitter - https://twitter.com/TheUnlockr\nGoogle+ - https://plus.google.com/+TheUnlockr1\nInstagram - http://instagram.com/theunlockr/\n\nHead here for the latest jailbreaking tutorials and jailbreak tweaks! - http://bit.ly/1PK208c\n\nSet your phone free! You can buy unlock codes to allow you to use any carrier with your phone, head here! - http://bit.ly/1JtHbNn\n\nCheck out the site for more videos, tips, tricks, and more!\nhttps://TheUnlockr.com\n\nCheck out our YouTube Channel! \nhttp://www.YouTube.com/c/TheUnlockr

Channel

TheUnlockr

Views

10.2K