bit depth

Mike Hearn's talk at the 2012 London Bitcoin Conference on the future of Bitcoin, new applications and rebuilding the banking system. He covers lesser-known protocol features such as contracts, escrow and scripting.

Andreas Antonopoulos explains how to tell Bitcoin-style blockchains from corporate blockchain hype. He argues the goal should be de-banking everyone rather than banking the unbanked.

Peter Rizun and Andrew Stone present results of tests running 1 GB blocks on a Bitcoin test network at Scaling Bitcoin Stanford. The talk argues for big-block scaling and discusses its consequences.

BJ Fogg of Stanford's Persuasive Tech Lab argues that lasting change comes from tiny habits, such as flossing one tooth or doing one pushup, anchored to things you already do.

Artem Dinaburg's DEF CON 19 talk on bit-squatting, where DRAM bit flips cause DNS requests to go to domains one bit off from the intended one. It shows how hardware faults can be exploited for hijacking without any software exploit.

Artem Dinaburg's DEF CON 19 talk on bit-squatting, where flipped bits in DRAM cause devices to contact domains that differ by one bit from legitimate ones. He shows how registering such domains can hijack traffic without exploiting any software bug.

Mark Ferrari, the LucasArts background artist, explains in a GDC 2016 talk how he draws 8-bit graphics. He covers color cycling and palette shifting to create complex animated scenery without frame animation.

Vim creator Bram Moolenaar's 2007 Google Tech Talk on habits for efficient text editing. He explains how to spot repetition and inefficiency, then use editor features to fix it.

A DEFCON 21 talk by Robert Stucke on DNS errors caused by single-bit flips, which lead to requests for misspelled domains. It shows real-world data on bitsquatting.

Kim Nilsson presents his investigation into how Mt. Gox was hacked and mismanaged, tracing the finances and the missing bitcoins. It was given at the 2017 Breaking Bitcoin meetup.

Andrej Karpathy, then Tesla's head of AI, gives a CVPR 2021 workshop keynote on how Autopilot's neural networks work. A large part covers the move to a vision-only stack, including why radar was dropped and how vision produces depth estimates.

Stephen Duneier describes a decision-making approach that took him from struggling with simple tasks to achieving ambitious goals. The talk centers on breaking goals into small marginal adjustments.

Vim author Bram Moolenaar's 2007 Google Tech Talk on habits for efficient text editing: find inefficiencies in your own editing, then learn the Vim commands that fix them.

Adam Grant's TED talk on the habits of original thinkers, including procrastination and embracing failure. He argues the greatest originals fail the most because they try the most.

An 88-minute Microsoft Research talk that explains how quantum computers beat classical ones using basic linear algebra, qubits, superposition and gates. It works through the Deutsch oracle problem and ends with entanglement, teleportation and a live demo.

Cliff Click, author of HotSpot's JIT compiler, shares hard-won advice for people writing virtual machines at the VMSS16 workshop. Topics include interpreters, JITs and performance lessons.

Making-of video about ROM City Rampage, the NES version of Retro City Rampage, covering how the game's core was crunched to run on real 8-bit hardware and how NES games are made.

Devine Lu Linvega of Hundred Rabbits talks about low-power, offline computing, esoteric languages and the Uxn virtual machine, informed by years of sailing the Pacific. The talk frames computing sustainability through a permaculture lens.

Bret Copeland, in an astronaut costume, gives an energetic talk on how the Space Shuttle landed from orbit, including reentry and the unpowered glide. It includes real-time landing footage with HUD and audio.

Edward Kmett's 2013 talk at Prezi in Budapest on succinct data structures, which store data in close to the information-theoretic minimum space while supporting fast queries. It ties together the research and walks through his Haskell succinct library.

Andreas Antonopoulos argues that money has a fourth function beyond store of value, medium of exchange and unit of account, which is as a system of control. He covers the history of money and why it does not flow freely.

Mel Robbins gives a TEDxSF talk on why people sabotage themselves and how to push past hesitation. It is the source of her 'count backward from five' technique.

Rob Pike's Go talk distinguishing concurrency, the structuring of independent processes, from parallelism, their simultaneous execution. It uses Go channels and goroutines to illustrate.

Robert C. Martin (Uncle Bob) talks about clean architecture and design, including keeping the database and frameworks out of the center of an application. It is an hour-long conference talk.

A HOPE09 talk on how modern computer chips are manufactured, from 22nm transistors to ultra-clean fabs and the tricks used to pattern tiny features with light. It frames chipmaking as hacking electrical engineering and physics.

Brian Karis's SIGGRAPH 2021 talk explains how Unreal Engine 5's Nanite virtualized geometry works. It covers mesh import, the data structures, streaming, decompression, culling, software and hardware rasterization, and shading.

Python core developer Raymond Hettinger explains how Python's dictionary implementation evolved into the compact, ordered dict in Python 3.6. He uses pictures and small bits of pure Python, and covers key-sharing, compaction and versioning.

Eskil Steenberg's two-hour talk on his personal approach to writing C, covering code style, structure, naming, pointers and large-project organization. He warns it contains a fair bit of programming religion.

Frank Abagnale, the real subject of Catch Me If You Can, speaks at Google about his life as a con man turned FBI fraud and cybersecurity expert, including advice on fraud, breaches and credit cards.

Destin Sandlin of Smarter Every Day gives a talk to an aerospace audience, comparing how Apollo was engineered and managed with NASA's Artemis program. He raises concerns about unresolved details, the number of launches and in-orbit fuel transfer needed to reach the Moon, and the loss of institutional knowledge.

Seattle landscape architect Fred Young gives an hour-long visual tour of Dutch cycling infrastructure, covering design details, continuous networks and how cycling fits daily life in the Netherlands.

Morphcat Games explains how they fit Micro Mages, a full-featured NES game, into 40 kilobytes. It covers compression of sprites and level layouts and other space-saving tricks.

Deviant Ollam and Howard Payne give an in-depth DEF CON 22 explanation of how elevators work, from the pit to the penthouse. It covers their control modes and how pen testers use elevators to bypass building security.

A HOPE X talk giving an in-depth explanation of how elevators work, from their history in hacker culture to using their control systems to bypass building security. It covers features and abilities of elevators that most people never see.

Bryan Cantrill of Joyent presents Manta, an internet-facing object store that lets you run compute directly on the data. The talk is peppered with ZFS history and Cantrill's trademark commentary on the industry.

Rich Hickey's long presentation on Clojure and concurrency covers locking and immutability, then goes in depth on refs, transactions and agents. It ends with a multithreaded ant colony simulation demo.

Tim Urban's TED talk on why people procrastinate, covering YouTube binges and Wikipedia rabbit holes. It ends with the life-calendar idea as a nudge to act before time runs out.

Van Jacobson's 2006 Google Tech Talk on rethinking networking around named content instead of host-to-host conversations. He recounts packet-networking history and lays out the content-centric networking idea that later became NDN.

Khalil Estell's CppCon 2024 talk argues C++ exceptions can reduce binary size in firmware. He digs into how exceptions work and how to shrink their code footprint on embedded platforms.

Emily Shea, a Fastly engineer with repetitive strain injury, describes using voice dictation as her main way of programming. She covers homophones, custom vocabulary and building her own voice commands to write Perl.