Ubuntu change to dark theme

sudo add-apt-repository ppa:noobslab/themes  #just for Ubuntu 14
sudo apt-get update
sudo apt-get install ambiance-dark

sudo add-apt-repository ppa:noobslab/themes
sudo apt-get update
sudo apt-get install arc-theme

sudo add-apt-repository ppa:tualatrix/ppa
sudo apt-get update
sudo apt-get install ubuntu-tweak

sudo add-apt-repository ppa:ravefinity-project/ppa  #current for me

sudo apt-get update

sudo apt-get install vivacious-colors-gtk-dark
                     

or

sudo apt-get install unity-tweak-tool #need to re-start

resources:
Dark themes
http://askubuntu.com/questions/454372/dark-gtk-theme-for-ubuntu-14-04

Alternatives to Deep Web

resources:

Freenet - a popular darknet friend-to-friend network that can run as an "opennet" (where peer nodes are discovered automatically).
https://freenetproject.org/

Alternatives to torrents

[1] rarbg.is
[2] katcr.co
[3] www.limetorrents.cc

Lectures

Complex Network - ES
Análisis de Redes Complejas: Un paseo matemático entre Google y las redes sociales.
 http://www.um.es/c/document_library/get_file?uuid=7b90ec2b-6554-482a-ae3b-c89292473885&groupId=118351

Funny Apps

Photomath
https://photomath.net/en/

Classical algorithms visualizer

Resources:
1) http://jasonpark.me/AlgorithmVisualizer/#path=greedy/job_scheduling/job_scheduling

Ubuntu High Performance

Resources:
1) OpenMPI (Open Source High Performance Computing) https://www.open-mpi.org/

Lecture Fluid Flow

Resources

1) Gerris Flow Solver http://gfs.sourceforge.net/wiki/index.php/Main_Page
    2011 - Japanese tsunami and others simulations

Lectures Image Processing

Resources:

1) Notes http://homepages.inf.ed.ac.uk/rbf/CVonline/LOCAL_COPIES/MORSE/
2) Wavelets teory (pt) http://rmu.sbm.org.br/Conteudo/n33/n33_Artigo02.pdf