Yes, I'm a big fan of Bret Victor's work. I share his Inventing on Principle talk on a near yearly basis. I've seen light table years ago and thought it looked

Yes, I'm a big fan of Bret Victor's work. I share his Inventing on Principle talk on a near yearly basis. I've seen light table years ago and thought it looked really neat, but I haven't looked into it much as it wasn't directly applicable to my environments. But, probably worth a look for ideas. On the topic of time-travel debugging, have you seen the demo: https://www.youtube.com/watch?v=72y2EC5fkcE https://www.youtube.com/watch?v=72y2EC5fkcE (Tomorrow Corporation Tech Demo) Very impressive, worth a watch.