# Summary of #hplusroadmap IRC Log (April 21, 2011)

* Kanzure shared resources for computational solid geometry (CSG), including a paper, implementation with source code, and references at http://gamma.cs.unc.edu/CSG/intersect.html, noting that BRLCAD was also examining the BOOLE software.

* A YouTube video was shared (http://www.youtube.com/watch?v=UdWVXAGLocQ), though its content was not discussed in the logs.

* Jebbamote6 announced Gary Johnson's presidential campaign (http://www.garyjohnson2012.com/), describing him as "the most DIY bio candidate ever," which led to a brief discussion about website optimization using tools like usertesting.com and mixpanel.com for analytics.

* AutoCAD WS for Android was released on this date, with a note that their site was experiencing heavy traffic.

* Fenn provided technical feedback on the "budaschnozzle" design, suggesting that the thermocouple mounting hole should be repositioned between the resistor and barrel for better temperature measurement response.

* A philosophical comment about mortality was briefly mentioned but not developed into a substantial discussion.