prototype

Tested gets hands-on with four Meta Reality Labs research VR headset prototypes testing resolution, brightness, focus shifting and form factor, plus an interview with Mark Zuckerberg on display technology.

Andreas Kling live-codes a prototype JavaScript JIT compiler for the LibJS engine used in SerenityOS and Ladybird. He builds a standalone bytecode VM, a simple interpreter, and then a simple JIT in about 80 minutes.

The first 3.5 hours of Tony Alicea's Udemy course on JavaScript's inner workings, covering topics such as first-class functions, closures, prototypal inheritance and how the language behaves under the hood.

David Ungar of IBM Research reflects at Stanford on the Self language project and argues the real legacy of ideas is the people. He covers its history, philosophy, successes and failures.

Juan Pedro Bolivar Puente explains immutable and persistent data structures in C++ and how they support value semantics. He presents the Immer library, rrb-trees, and a prototype text editor that opens a huge file instantly.

Jonathan Blow demos his prototype programming language, covering the base language and compile-time execution, including running a game while compiling. The video is about 70 minutes of demo followed by Q&A.

A 2017 GDC session in which Nintendo's Breath of the Wild team walks through how the game's convention-breaking systems were built. It covers the 'chemistry engine' of material interactions and shows the early 2D prototype footage.

SpaceX's livestream of the Starship SN8 high-altitude test on December 9, 2020. It ascended, did the landing flip with flap control and reached the landing point, but touched down hard because of low header tank pressure.