sand glass

Destin Sandlin of Smarter Every Day explores molten glass and Prince Rupert's drops with a glass artist, including a process that freezes the moment glass shatters and an artisan who makes the drops.

Ben Krasnow of Applied Science shows how to make small batches of specialty glass with minimal equipment, including designing and making photochromic glass. He covers ingredients, melting and the challenges involved.

NileRed makes radioactive uranium glass from scratch, showing the chemistry involved and the green fluorescence under a blacklight. The video includes warnings about handling radioactive material.

A one-month review of the Xreal (formerly Nreal) Air AR glasses by The Tech Chap, covering unboxing, setup, what the display looks like, and how mixed reality differs from AR. It ends with the reviewer's overall thoughts. The video is sponsored.

A Corning-sponsored video in which Adam Savage and Jamie Hyneman introduce flexible, bendable glass. It covers the history of glass innovation with demonstrations of bendable optical fiber and ultra-thin glass.

A short 2012 promotional-style video of Google Glass showing what the headset was meant to do. It shows features like map directions and overlays in the wearer's view.

A Sesame Street animation from 1979 with music composed by Philip Glass, showing geometric circle patterns.

Brandon Sanderson's keynote on AI-generated art, arguing that the artistic process and the journey matter more than the finished product. He explains why he rebels against generative AI in creative work.

Linus Tech Tips reviews the Looking Glass 8K holographic display, a glasses-free 3D monitor. The video shows the display in action and explains how it works.

Huygens Optics experiments with etching tiny patterns in glass, covering hydrofluoric acid risks, buffered oxide etch, photoresist and chromium masks, and laser-induced etching. It ends with attempts at microscopic Tesla valves.

Alex O'Connor shows that ChatGPT cannot draw a wine glass filled to the brim, and ties the failure to David Hume's missing shade of blue. It asks what the failure says about how image models learn.

Mark Rober builds a hot tub filled with sand fluidized by air blown from below, so that the sand behaves like a liquid. He explains how fluidized beds work and shows people swimming in them.

Google's early concept video for Project Glass, showing a wearer navigating a city with augmented-reality glasses that surface contextual information. It was made when the project was just starting.

A short clip from John Carpenter's They Live showing how the special sunglasses reveal hidden messages behind ads and media.

Markus Kayser's Solar Sinter project video shows a machine in the desert using sunlight and sand to 3D print glass objects. It is a short demonstration of desert manufacturing from renewable energy and local material.

A short clip of Bernie Sanders in conversation with Ezra Klein of Vox, where he rejects open borders as a proposal that serves the Koch brothers. It is an excerpt from a longer interview on global poverty.

Sandi Metz takes an ugly section of conditional code and refactors it into a few simple objects, bridging object-oriented theory and practice. The talk includes her take on the Gilded Rose refactoring kata and the idea that duplication is cheaper than the wrong abstraction.

A five-minute clip of Ira Glass on the gap between good taste and early creative work. He says beginners know their work falls short and must keep producing to close the gap.

Sandi Metz's RailsConf 2013 talk offers practical guidelines for deciding what to test and how, so tests stay cheap and stable. She argues for testing the public interface rather than implementation and using mocks appropriately.

A two-minute video of Ira Glass on the creative process, describing the gap between taste and skill when starting out and urging you to keep producing until your work matches your taste.

Sandy Munro interviews Elon Musk at Boca Chica about Tesla production, mega-castings, seats, structural battery packs and the difficulty of mass production.

Lex Fridman interviews Jeff Hawkins, founder of Numenta and author of On Intelligence, about the Thousand Brains Theory and reverse-engineering the neocortex. They also cover Hierarchical Temporal Memory and brain-inspired AI architectures.

Corning's 2011 concept video showing a future where specialty glass surfaces and touchscreens are woven into everyday life.

Sandy Munro and Cory discuss how Tesla Model 3 and Model Y bodies in white have evolved over five years, including giga castings and lean design.

Drummer Larnell Lewis hears Metallica's Enter Sandman for the first time on Drumeo and learns to play it by ear, using his musical vocabulary.

The Pruitt-Igoe sequence from Koyaanisqatsi set to Philip Glass's 1998 re-recorded score, showing the housing project's demolition.

A man spends six months and $1500 making a chicken sandwich entirely from scratch: growing vegetables, making salt from seawater, milking a cow for cheese, grinding wheat, collecting honey and killing a chicken.

Engineer Sandy Munro joins an Autoline panel for a 100-minute deep dive on Tesla's design and manufacturing, including the Model 3 and its motors.

A Google I/O 2019 talk explaining the architecture of Linux on Chromebooks (Crostini), a sandboxed Linux development environment built on containers inside a VM, with demos and design rationale.

A short demo of Sun Microsystems' Looking Glass, a 3D desktop GUI concept for a future operating system.

Robert Watson presents the Capsicum paper at USENIX Security 2010, describing practical capability-based sandboxing for UNIX. The paper won Best Student Paper.

A 60 Minutes segment on Luxottica, the company that owns most major eyewear brands and retailers and dominates the market. It shows how consolidation of brands and manufacturing affects glasses prices.

Ilya Grigorik of Google's Make the Web Fast team explains how to build a mobile site that appears on screen within one second. He covers the network and rendering constraints on mobile.

Part one of Sandia National Labs' first-person documentary on the use control, detonation safety and survivability of US nuclear weapons. It covers nuclear sharing in NATO and how control of use was separated from possession, leading to the always/never problem.

The first episode of Michael Sandel's Harvard course on moral reasoning, opening with the trolley problem and the choice between killing one to save five. Sandel draws out student arguments and introduces utilitarian and other approaches to justice.

In this 2019 GDC session, Petri Purho of Nolla Games explains the technical side of Noita's physics engine, including scaling a falling-sand simulation to large continuous worlds and adding destructible rigid bodies. It also shows how the emergent physics drives the gameplay.

Smarter Every Day films Prince Rupert's drops, tempered glass drops, in high-speed slow motion at 130,000 fps. It shows how the drop's heavy internal stress lets the head survive hits while the tail shatters the whole thing.

Sandy Pentland of MIT presents his book on social physics, which uses big-data studies of how people interact to explain how ideas spread. He describes findings on collective intelligence and social influence.

MrBtongue argues that modern theme-park MMOs lost what made earlier sandbox online games compelling, and that MMOs could be saved by returning to sandbox design.

David Sanders gives the first part of a two-part introduction to the Julia programming language at SciPy 2014. It walks through the language's basics and its appeal for scientific computing.