descubes writes: "Old timers may remember Logo, an interactive and graphical development environment that made it possible to explore ideas very quickly and made it fun to discover programming. A recently posted live coding tutorial shows the same basic idea applied to interactive 3D. In the video, an animated strand of DNA is constructed step by step simply by typing a simple script and looking at the result in real-time." Link to Original Source
The most difficult thing in the world is to know how to do a thing and to
watch someone else doing it wrong, without commenting.
-- T.H. White