# Summary of #hplusroadmap IRC Log (Oct 19, 2009)

* A bacterial ratchet motor paper was shared: http://arxiv.org/abs/0910.2899

* Discussion about open hardware documentation systems, with mention of SKDB as a potential backend for dependency tracking and package management, and a reference to Octopart's API for electronic parts searching.

* Resource for adhesive selection shared: http://www.thistothat.com/ providing guidance on which glue to use for different material combinations.

* Technical discussion about SolidWorks CAD files potentially using PGP encryption for the actual CAD data portion of .sldprt files.

* Conversation about data recovery from obsolete floppy disks, with suggestions to use dd or dd_rescue for copying potentially corrupted data.

* NASA Product Data Exchange Workshop presentations were shared: http://step.nasa.gov/pde2009/presentations.html

* Technical discussion about power transformers, including analysis of waveform issues and the possibility that transformers might have been designed for 400Hz rather than 60Hz operation.

* Brief mention of collaborative editing technologies, including a Wave implementation for Rails and XMPP-based collaborative editing for projects like Inkscape.