memory errors

Grandmaster David Howell tests Magnus Carlsen by showing him chess positions and asking which famous games they come from. Carlsen recognizes many almost instantly.

A tool-assisted speedrun of Pokemon Yellow on Game Boy Color that uses glitches and frame-precise inputs to make the game execute an arbitrary program. It was later obsoleted by an improved run.

Casey Muratori follows up his refterm proof-of-concept, a GPU-based terminal renderer, with a second part covering memory usage, glyph sizing and correct Unicode and VT handling. It is built to show that a terminal can be fast and correct without heroic effort.

A short Princeton CITP video describing cold boot attacks, where encryption keys remain in DRAM after power loss and can be recovered. It covers the attack against disk encryption such as BitLocker, FileVault and TrueCrypt.

Tom7 explains and demos software that learns to play NES games by finding score patterns in memory and then searching for inputs that raise it. It is the video companion to his SIGBOVIK paper.

Eon is a demoscene production by The Black Lotus, released at Revision 2019 and designed for an Amiga with OCS chipset, 512 kB chip and 512 kB fast memory. This is the party version, which has some known glitches.

Stuff Made Here builds a handwriting robot and sends its output to a handwriting expert to see whether it can pass as forgery. It walks through the engineering trials and errors along the way.

A short demonstration comparing just intonation with equal temperament, played so you can hear how the tuning compromise changes intervals and chords. It includes a Bach prelude played in both tunings.

Tom Scott races a London black-cab driver who has memorized The Knowledge against a phone GPS across the city, comparing local expertise to navigation software.

debuglive makes a 1990-style dance track on an Amiga 500 with a Stereo Master sampler and cheap secondhand records, showing how sampling and trackers worked within tight memory limits.

CuriousMarc and colleagues at the Computer History Museum try to compile and run a FORTRAN II program on a 1959 IBM 1401. The machine has only 16k of memory and a CPU not meant for scientific work, so success is far from guaranteed.

Jonathan Blow gives a formal, hour-long demo of his Jai compiler focused on the implicit context feature. The context carries things like allocators through a program without explicit parameter passing, and the talk walks through the code.

IBM's record-setting stop-motion film made by moving individual carbon monoxide molecules with a scanning tunneling microscope, illustrating atomic-scale memory research.