Python code to observe the Central Limit Theorem in action
Cross-compiling simple programs for Sparc-V8 and running them on Qemu
The Missing Semester of Your CS Education An open course by MIT on useful tools such as Git, Shell Scripting, Profiling and Debugging.
3Blue1Brown The most intuitive explanation of ideas in Linear Algebra and Calculus.
Numberphile Numbers, geometry and other mathy stuff.
Primer Simulation of growth and evolution.
Vi Hart Creativity, math, music and Hexaflexagons.
The Engineer Guy Engineering behind the tools, technology and things of everyday.
Welch Labs
Caspian Report Geo-political Analysis
Kurzgesagt - In a Nutshell
Sebastian Lague Coding Adventures
Wait but Why A stick-figure blog about thinking, procrastination, SpaceX and a bunch of other things.
Calvin and Hobbes
xkcd
PhD Comics