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A 2008 Google Tech Talk making the case for the liquid fluoride thorium reactor as an abundant, safe source of electrical power. It covers the technical motivations and design of thorium molten-salt reactors.

Kirk Sorensen's Google Tech Talk on liquid-fluoride thorium reactors, a design that could burn nuclear waste and use thorium as fuel. It draws on Oak Ridge National Laboratory work from the 1950s and 60s.

A 2006 Google Tech Talk by Robert Bussard on inertial electrostatic confinement (polywell) fusion as a cheap, clean alternative to conventional thermonuclear reactors. He argues it could be made viable with modest funding.

Douglas Crockford's 2009 Google tech talk on the good and bad parts of JavaScript, based on his book. He argues for using a reliable subset of the language and avoiding its flawed features.

A short clip from a Richard Feynman interview in which he explains fire, describing how burning wood releases sunlight stored by the tree, which built itself mostly from air. It showcases his curiosity and plain-spoken explanations.

Cal Henderson's DjangoCon 2008 keynote, "Why I Hate Django", is a funny critique of Django from a Flickr architect. It touches on scaling topics such as database replication.

The Google I/O 2009 keynote introducing Google Wave, a real-time collaborative communication and document platform. It includes a long live demo and the developer preview announcement.

A 2009 Google Tech Talk by Nicholas Zakas on the hidden performance pitfalls of JavaScript. It covers what is fast and slow in the language and how to avoid common bottlenecks.

A Google Tech Talk on Yahoo's 14 rules for faster web pages and the YSlow tool. It covers front-end practices like avoiding @import and fixing ETags, with live analysis of popular sites.

David Heinemeier Hansson builds a blog engine with Ruby on Rails in 15 minutes, the demo that launched Rails' momentum.

Street interviews of over 50 passersby in Times Square, asked what a browser is. Many answers show people confuse browsers with search engines or the internet.

A US Chemical Safety Board video explaining how sugar dust explosions at the Imperial Sugar plant in Georgia killed fourteen workers in 2008.

A comedy video in which a salesperson demands that a web developer fix a down website, with the two talking past each other. It won a Webby award.

Steve Yegge is interviewed at Google's Kirkland office about the birth, growth and future of his Rhino on Rails project, a Rails clone on the Rhino JavaScript engine, and other web development topics.

A short PCWorld news clip from WWDC 2007 in which Steve Jobs announces Safari as the development platform for iPhone apps. Developers could build web apps with access to calling, maps and email.

Google's 2008 press announcement of its open source browser, Chrome, featuring Sundar Pichai among the presenters.

A clip from Attenborough's Life of Mammals following a San tribesman in the Kalahari on an eight-hour persistence hunt, running down a kudu through harsh heat. It shows tracking, endurance running and the hunter's reaction after the kill.

Footage from the Macworld Boston 1997 keynote where Steve Jobs announces Apple's deal with Microsoft, with Bill Gates appearing on the big screen. The almost bankrupt Apple took Microsoft's investment, and the crowd reacted badly, including booing over Internet Explorer as the default browser.

Lin-Manuel Miranda performs an early version of the Hamilton idea, then called "The Hamilton Mixtape", at the White House poetry and spoken word evening in May 2009. He is accompanied by Alex Lacamoire and the audience laughs along at the premise of a hip-hop song about Alexander Hamilton.

Honda's 2003 'Cog' commercial for the Accord, a two-minute Rube Goldberg chain reaction of car parts. It was filmed practically rather than with CGI.

A two-minute clip of Steve Ballmer laughing at the $500 price of the newly announced iPhone and dismissing its lack of a keyboard. It captures a famously wrong early reaction from an industry executive.

A one-minute clip of Miss Teen USA 2007 contestant Miss South Carolina giving a rambling, incoherent answer to a pageant question. It became a widely shared internet meme.