• A new open-source tool called pdfparanoia was discussed for scrubbing JSTOR watermarks from academic PDFs; the relevant GitHub issue is at https://github.com/kanzure/pdfparanoia/issues/24#issuecomment-30208028.

• Elsevier issued takedown notices to Academia.edu for hosting copyrighted journal articles, prompting discussion about open-access tensions; coverage appeared on VentureBeat and Hacker News (https://news.ycombinator.com/item?id=6882290).

• A self-assembled 3-D microelectrode array was shared via paperbot: “A self-assembled 3D microelectrode array,” J. Micromech. Microeng. 20 035013 (2010), retrieved at http://diyhpl.us/~bryan/papers2/paperbot/757c725cf35acbd902e338532d8d9c49.pdf.

• A Nature Nanotechnology article on nanowire devices was requested and delivered through paperbot: http://libgen.org/scimag/get.php?doi=10.1038%2Fnnano.2013.236.

• Community members sought and offered advice on building a safe, open-source transcranial direct-current stimulation (tDCS) device; ThomasEgi was recommended as a knowledgeable contact.

• Participants experimented with Peercoin transactions and noted unusually long confirmation delays, speculating about web-service bottlenecks rather than network issues.

• Discussion highlighted the poor legal language and over-broad IP claims in BTC-e’s terms of service, cautioning against using the exchange for cryptocurrency operations.