Computerphile

Deleting files may not mean they're gone. Even overwriting them isn't safe. Professor Derek McAuley explains.

EXTRA BITS - more on Flash/SSD: http://youtu.be/HQWFCDN9VZI
Punch Card Programming: http://youtu.be/KG2M4ttzBnY

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

Thanks to Richard Faulkner for the photo of the hard disk being destroyed.

Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels

Learn more about your ad choices. Visit megaphone.fm/adchoices

Demonstrating that you can filter data to smooth out the numbers, but whether it's weather data, stock market information or Taylor Swift, the math is the same! David Domminney Fowler takes us through it.

Find out more from Dave at https://www.youtube.com/c/DavidDomminneyFowler

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com

Learn more about your ad choices. Visit megaphone.fm/adchoices

You, the Computerphile viewers sent us your code - Brady takes a first look at some of the things you sent us!

Original film where we asked for code: http://youtu.be/owz7XExO-Wk
An extra review we trimmed from this video: http://youtu.be/ngOVI5YuPmw
Send your code to [email protected]

Mohamed's Javagame github page:
https://github.com/redomar/JavaGame

(Mohamed wanted to apologise and points out that he used vanZeben code in his program)


http://www.facebook.com/computerphile
https://twitter.com/computer_phile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels

Learn more about your ad choices. Visit megaphone.fm/adchoices

Following a report on the situation with Social Media and bots, Lewis Stuart of University of Nottingham is inspired to see just how easy it is to fire up his own botnet and puts them to work on a fake social media site: 'scroll hole.'

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com

Learn more about your ad choices. Visit megaphone.fm/adchoices

What good is knowing you have a problem if you can't fix it? - Professor Brailsford explains Hamming Codes and how errors can not just be detected, but also corrected.

Original Compression film: http://youtu.be/Lto-ajuqW3w
Entropy in Compression: http://youtu.be/M5c_RFKVkko
Error Detection: http://youtu.be/-15nx57tbfc

Home-made Video Arcade: http://youtu.be/pcR7ylW-Gok
BASIC & Sorting: http://youtu.be/Ou2A-JWszVA

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

Learn more about your ad choices. Visit megaphone.fm/adchoices

A checksum that's robust & trivial to compute with Matt Godbolt -- Check out Brilliant's courses and start for free at https://brilliant.org/computerphile/ (episode sponsor) -- More links in full description below ↓↓↓

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com

Learn more about your ad choices. Visit megaphone.fm/adchoices

The CERN computer grid processes the information from the world's most powerful particle accelerator. Brady gives us a tour of the heart of the operation: CERN's Tier 0.

CERN Interviews: http://youtu.be/cj8ZNgnzSSU

http://www.facebook.com/computerphile
https://twitter.com/computer_phile

Film by Brady Haran.

Computerphile is a sister project to Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels

Learn more about your ad choices. Visit megaphone.fm/adchoices

Signal processing is just mathematics, so lets code a guitar sound in C. Dave Domminney Fowler continues the Digital Signal Processing conversation to show how your favourite tunes all rely on DSP.

Find out more from Dave at @domminney

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com

Learn more about your ad choices. Visit megaphone.fm/adchoices

There are different styles of programming, some quite closely resemble pure mathematics. Mathematician and Computer Scientist Laurence Day compares two of them.

Note: In the Java code the delimiters within the 'for' loop should be semi-colons, not commas. Apologies for the error.

What if the Universe is a Computer Simulation: http://youtu.be/YOxDb_BbXzU
Sights and Sounds of Sorting with BASIC: http://youtu.be/Ou2A-JWszVA

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

Learn more about your ad choices. Visit megaphone.fm/adchoices

Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile

This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com

Learn more about your ad choices. Visit megaphone.fm/adchoices