From a programmer’s perspective this is the most amazing thing I have ever seen done on a PC:
http://www.wolframalpha.com/screencast/introducingwolframalpha.html
keep watching, even 5-10 minutes in, it just keeps getting more and more impressive…
(among other things it can casually compute fluid dynamics, tell you where things are in space, mix colors, weather for any location at any time in history, whoa it’s staggering)
id like someone to tell me how it actually works.