# Summary of #hplusroadmap IRC Log (September 7, 2015)

* Bryan Bishop (kanzure) shared drafts of his presentation on Bitcoin scaling solutions, which included topics like Merkle trees, simplified payment verification, fraud proofs, and SNARKs (succinct non-interactive arguments of knowledge).

* The presentation discussed various approaches to Bitcoin scaling challenges, including the Lightning Network, MAX-BLOCK_SIZE proposals, and recovery from consensus hard-forks.

* Community members provided feedback on the presentation, suggesting improvements to slide formatting, spelling corrections, and better organization of technical content.

* A brief discussion occurred about underwater habitats, prompted by mention of the "Glaucus Project," an underwater habitat being developed on a limited budget.

* There was a technical conversation about Acousto-optic modulator (AOM) lasers as potential alternatives to mirror galvanometers for display technologies.

* Programmable magnets were shared as an interesting technology, with links to Polymagnet and a YouTube demonstration of printed polarity magnets.

* A transcript of Adam Back discussing Bitcoin scalability and maximum block size was added to the DIY H+ wiki.