# Summary of #hplusroadmap IRC Discussion (September 26, 2011)

* Fenn shared geometrygames.org, a collection of hyperbolic games, expressing interest in developing VR applications based on this GPL-licensed code with joystick support.

* Discussion of RepRap 3D printing technology focused on the need for better modeling of the melting/extrusion/solidification process, with fenn noting that non-Newtonian fluid dynamics, shear stress, and viscosity affect print quality in repeatable ways.

* A New York Times article on decision fatigue was shared, discussing how sugar consumption affects willpower and decision-making capacity.

* Participants discussed the OPERA neutrino experiment (claiming faster-than-light neutrinos), with skepticism about the results and criticism of the public's "breakthrough mentality" despite a century of relativity confirmations.

* Bruce Perens proposed an open hardware licensing approach using trademark law rather than copyright, sparking debate about whether this approach could be as effective as GPL for software, with discussion of potential membership requirements and enforcement mechanisms.

* Various alternative physics theories including Podkletnov/Tajmar/Heim/Poher forces were mentioned as interesting but suffering from unreproducible results and limited scientific attention.

* A French/German TV show featuring Ray Kurzweil and biohackers was shared, with surprise noted about Kurzweil's participation given his apparent dislike of biohackers.