3 ms·
The most nostalgic part of this is that he's doing the presentation with a camera pointing at paper/books setup. Back in the 90's when I was talking CS, profess
by zdw 4y ago
The most nostalgic part of this is that he's doing the presentation with a camera pointing at paper/books setup. Back in the 90's when I was talking CS, professors routinely presented by writing on plastic sheets using an overhead projector.
Not sure what I was expecting from Knuth though - maybe I was imagining some amazing TeX-based live diagramming environment, but then again he doesn't really use email which should have tempered these expectations.
- leephillips 4y agoHe’s using what’s called an opaque projector—a super useful instrument.
- daveevad 4y agoIt looks to me like he's using a product by WolfVision that markets itself as a Visualizer[1]. [1](https://wolfvision.com/en/products/vz-8uhd https://wolfvision.com/en/products/vz-8uhd)
- leephillips 4y agoAhh, I guess what I meant to say was that in olden days the optical version of this was called an opaque projector.
- deleted 4y ago[deleted]
- adalacelove 4y agoI recently found these videos about number theory https://youtube.com/playlist?list=PL8yHsr3EFj53L8sMbzIhhXSAOpuZ1Fov8 https://youtube.com/playlist?list=PL8yHsr3EFj53L8sMbzIhhXSAO... And I was surprised both by how effective the method of camera and pen and paper was and by the didactic quality of the lectures
- WillAdams 4y agoDr. Knuth often presents using transparencies --- that's how he did his "Earth-shaking announcement": https://news.ycombinator.com/item?id=1257488 https://news.ycombinator.com/item?id=1257488