Quick and easy upgrade/reinstall of Ubuntu

This post explains how to reinstall Linux (primarily Ubuntu and Debian) without using a cd/dvd, usb disk/pen drive, network boot or install partition. It requires internet-access from the machine you’re reinstalling. If you have a dedicated partition to /home, you’ll likely not need to take backup first.

Implicit supervised learning for kids through computers

When I was 12 or so, my friend and I started learning English and maths without realizing it by playing games on a computer. This is all related to artificial intelligence and neural networks theory on supervised learning. Or is it the other way around?