# Summary of IRC Log Discussion

• A discussion about computer vision and augmented reality took place, with users sharing YouTube videos showing marker-less tracking systems, speculating about whether they use GPU processing instead of CPU, and joking about using OpenCV to recognize when someone is tired and automatically start a coffee machine.

• Several DIY hardware projects were mentioned, including a laser cutter (referred to as "imajilon laser"), CL-MILL (a CNC milling application built in Common Lisp), and a user's experience repurposing an old Flashcut CNC rig with EMC2 on Linux.

• Participants discussed hardware recycling and repair, including dumpster diving for old CNC machines to retrofit with EMC2-compatible controllers, and successfully repairing a discarded 32" LCD TV by replacing its backlight tube for only $75 total.

• A user mentioned receiving an email from Aubrey de Grey expressing concern about an inaccurate transcript of his talk that had been posted online, highlighting issues around documentation of conference presentations.

• The group shared various technical resources, including a comprehensive log of all URLs exchanged in the channel (http://designfiles.org/~bryan/hplusroadmap-urls.txt) and a suggestion to explore visualization tools for Google Books data.

• Brief mentions were made of a "Sutton" rocketry book, potential UAV delivery systems, and combining localization technology with "Internet 0" protocols.