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Cicada 3301: An Internet Mystery
 
17:54
In this video I explore an elaborate cryptographic internet puzzle orchestrated by a mysterious individual or group known as Cicada 3301. Patreon: https://www.patreon.com/lemmino Subreddit: https://www.reddit.com/r/lemmino Twitter: https://www.twitter.com/lemmin0 Facebook: https://www.fb.com/lemmin0 Discord: https://www.discord.gg/lemmino The puzzle I hid in this video has been solved: https://www.lemmi.no/post/my-latest-puzzle [Music] Own work Erang - Forever Lost In An Endless Dream https://erang.bandcamp.com/track/forever-lost-in-an-endless-dream Erang - The Highway Goes Ever On https://erang.bandcamp.com/track/the-highway-goes-ever-on Erang - Silent Bones https://erang.bandcamp.com/track/silent-bones-2 Cicada 3301 - The Instar Emergence https://www.youtube.com/watch?v=YA1fONCH-CY Cicada 3301 - Interconnectedness https://www.youtube.com/watch?v=ActGqDxBD4A [References] https://www.lemmi.no/cicada-3301
Views: 9101832 LEMMiNO
Why The Government Shouldn't Break WhatsApp
 
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Encryption backdoors - breaking WhatsApp and iMessage's security to let the government stop Bad Things - sounds like a reasonable idea. Here's why it isn't. A transcript of this video's available here: https://www.facebook.com/notes/tom-scott/why-the-government-shouldnt-break-whatsapp/1378434365572557/ CREDITS: Filmed at the Cambridge Centre for Computing History: http://www.computinghistory.org.uk/ Camera by Tomek: https://www.youtube.com/tomek Thanks to everyone who helped proofread my script! REFERENCES: WhatsApp's privacy protections questioned after terror attack: http://www.bbc.co.uk/news/technology-39405178 WhatsApp must be accessible to authorities, says Amber Rudd: https://www.theguardian.com/technology/2017/mar/26/intelligence-services-access-whatsapp-amber-rudd-westminster-attack-encrypted-messaging UK government renews calls for WhatsApp backdoor after London attack: https://www.theverge.com/2017/3/27/15070744/encryption-whatsapp-backdoor-uk-london-attacks Investigatory Powers Act: http://www.legislation.gov.uk/ukpga/2016/25/contents/enacted India is 'ready to use' Blackberry message intercept system: http://www.bbc.co.uk/news/technology-23265091 Revealed: how US and UK spy agencies defeat internet privacy and security: https://www.theguardian.com/world/2013/sep/05/nsa-gchq-encryption-codes-security Councils secretly spied on people walking dogs and feeding birds for five years: http://metro.co.uk/2016/12/26/councils-secretly-spied-on-people-walking-dogs-and-feeding-birds-for-five-years-6345051/ [This is basically a rephrase of https://www.theguardian.com/world/2016/dec/25/british-councils-used-investigatory-powers-ripa-to-secretly-spy-on-public with a better headline] Poole council spies on family over school claim: http://www.telegraph.co.uk/news/uknews/1584713/Poole-council-spies-on-family-over-school-claim.html Security services missed five opportunities to stop the Manchester bomber: http://www.telegraph.co.uk/news/2017/05/24/security-services-missed-five-opportunities-stop-manchester/ Reuters reference to "500 active investigations": http://www.reuters.com/article/us-britain-security-manchester-plots-idUSKBN18L1H0 AP: Across US, police officers abuse confidential databases: https://apnews.com/699236946e3140659fff8a2362e16f43/ap-across-us-police-officers-abuse-confidential-databases ME: I'm at http://tomscott.com on Twitter at http://twitter.com/tomscott on Facebook at http://facebook.com/tomscott and on Snapchat and Instagram as tomscottgo
Views: 1007131 Tom Scott
Adam Spencer: Why I fell in love with monster prime numbers
 
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They're millions of digits long, and it takes an army of mathematicians and machines to hunt them down -- what's not to love about monster primes? Adam Spencer, comedian and lifelong math geek, shares his passion for these odd numbers, and for the mysterious magic of math. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at http://www.ted.com/translate Follow TED news on Twitter: http://www.twitter.com/tednews Like TED on Facebook: https://www.facebook.com/TED Subscribe to our channel: http://www.youtube.com/user/TEDtalksDirector
Views: 244525 TED
Diffie-Hellman Key Exchange (part 2)
 
02:19
Diffie-Hellman Key Exchange (part 2)
Views: 41999 Art of the Problem
Why Electronic Voting is a BAD Idea - Computerphile
 
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Voting is centuries old, why can't we move with the times and use our phones, tablets and computers? Tom Scott lays out why e-voting is such a bad idea. More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels
Views: 1439514 Computerphile
The Code: Story of Linux Documentary [2001]
 
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The Code is a Linux documentary from Finland made in 2001on the birth of Linux and the open source community. The film features some of the most influential people of the free software movement with Linus Torvalds, Richard Stallman, Alan Cox and many other grey wizards. Subtitles in many languages included. RENDER NOTES: Upscaled from 540p to 720p and fit to frame. ----- SUBS ENCOURAGE US! NO LAZY! ----- SUBSCRIBE: https://www.youtube.com/c/L33TGUY WEB: https://anons.ca TWITTER: https://www.twitter.com/l33tguy ╔═╦╗╔╦╗╔═╦═╦╦╦╦╗╔═╗ ║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣ ╠╗║╚╝║║╠╗║╚╣║║║║║═╣ ╚═╩══╩═╩═╩═╩╝╚╩═╩═╝
Views: 1662 L33T GUY
vigenere (C)
 
09:08
Views: 36737 CS50
Internet Technologies - Computer Science for Business Leaders 2016
 
01:26:10
DHCP, DNS, TCP/IP, VPNs, Wi-Fi; HTTP, HTTPS; hosts, registrars
Views: 33973 CS50
Computational Thinking - Computer Science for Business Leaders 2016
 
01:21:52
abstraction, algorithms, representation
Views: 24317 CS50

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