# Summary of IRC Log from June 24, 2014

* A discussion about 3D printer technology mentioned that some bioprinting systems were using modified off-the-shelf Epson inkjet printers with piezoelectric technology, with links shared to alternative printer designs including the WolfHBot (a large build volume HBOT style 3D printer).

* A user described a DIY environmental monitoring project to measure hydrogen sulfide (H2S) concentrations in an area with oil reservoirs where officials were only measuring standard pollutants (NOx, VOC, CO, O3) despite a noticeable sulfuric smell.

* A real-time lightning tracking system (Blitzortung.org) was shared, which provides lightning strike data with only a 4-second delay.

* A discussion of the movie "Transcendence" included criticism of its portrayal of mind uploading, with participants suggesting alternative films like "Limitless" and "The Machine" as better representations of transhumanist themes.

* A paper titled "Spontaneous Neural Fluctuations Predict Decisions to Attend" was shared, examining the relationship between neural activity and attention decisions.

* A security vulnerability in OpenVZ virtualization was announced, with many hosting providers implementing emergency fixes and reboots to address the issue.