# Key Points from IRC Log (Jan 15, 2010)

* Eureqa software was shared (http://ccsl.mae.cornell.edu/eureqa), a tool for detecting equations and hidden mathematical relationships in data, with an associated Google group for users.

* A discussion about indoor WiFi localization techniques occurred, with kanzure mentioning he wrote custom code using iwconfig rather than relying on existing libraries, and sharing signal attenuation values for different building materials.

* A plastic lathe design was shared on Thingiverse (http://www.thingiverse.com/thing:1570), though there was disappointment it wasn't released under GPL.

* A space-related technology was discussed via a PopSci article about a cannon for shooting supplies into space (http://www.popsci.com/technology/article/2010-01/cannon-shooting-supplies-space).

* Resources for WiFi and location mapping were shared, including wigle.net (WiFi locations database) and opencellid.org (an open alternative).

* A brief discussion about nootropics communities occurred, with kanzure questioning the experimental design capabilities of imminst.org's community.

* First Person Tetris (http://firstpersontetris.com) was shared as an interesting game variant.