solid

Sasa Juric's EMPEX talk demonstrates Elixir and Erlang's process model and what makes the BEAM runtime distinctive, such as fault-tolerant parallelism by design.

Casey Muratori's invited lecture on where bad code comes from, rebroadcast from a Twitch stream. He critiques conventional wisdom such as SOLID and Clean Code and argues about how those habits lead to slow, poorly structured software.

Casey Muratori shows how typical 'clean code' object-oriented patterns can cost large factors in performance. He benchmarks them against simpler data-oriented code.

Scott Manley covers how GPS works and how civilian accuracy went from a planned 100 meters to about one meter. He explains the technology and the removal of restrictions that made this possible.

The first lecture of Stanford's CS231n course on convolutional neural networks for visual recognition. It surveys the history and key challenges of computer vision, from the Cambrian explosion and Hubel and Wiesel to ImageNet.

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.

PBS Space Time considers whether life could be based on silicon instead of carbon, comparing the two elements' chemistry and why silicon is the most plausible alternative.

John Oliver's Last Week Tonight segment on freight trains and railroads, covering how profit-driven practices undermine safety. It touches on longer trains and shrinking crews.

Chris Paget's DEF CON 18 talk on practical cellphone spying, showing how GSM traffic can be intercepted with a fake base station. It covers 2G interception and the weaknesses of cellular networks.