The Drake equation is a mathematical equation used to estimate the number of detectable extraterrestrial civilizations in the Milky Way galaxy. It is used in the field of the Search for ExtraTerrestrial Intelligence (SETI). The equation was devised in 1961 by Frank Drake, Emeritus Professor of Astronomy and Astrophysics at the University of California, Santa Cruz.

http://en.wikipedia.org/wiki/Drake_equation

Hosts File Software Overview

The hosts file in Windows can be used to override DNS look-ups. I have described one practical use for webmasters who want to work on sites before DNS propagation. The hosts file is used by many for ad blocking, blocking of hosts that may be malicious or dangerous or speeding up connections to select sites by eliminating the need for DNS look-ups. I do not want to get into details on how to edit the hosts file, as I have done that already in another article: How To Edit, Reset The Windows Hosts File.

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To be a hacker !!

exploit-exercises.com provides a variety of virtual machines, documentation and challenges that can be used to learn about a variety of computer security issues such as privilege escalation, vulnerability analysis, exploit development, debugging, reverse engineering.

Ultimate hacker - brain hacker

Even Nolan didn’t think it could be possible when he made Inception, but it turns out that researchers at Usenix Security conference have been speaking of using a computer interface to hack the brain! Yes, it might actually be possible to enter the brain and retrieve information that you’d prefer to keep secret. Like retrieving a combination key to a safe that your dying father might have given you and you have it stored somewhere in the subconscious.
Read more at

http://techie-buzz.com/science/brain-hack.html#iQmdZspXqQMuytCI.99