Physicist Solves 2k-Year Old Problem That'll Lead to Cheaper, Sharper Lenses

There was a huge discussion about this a month ago:

https://news.ycombinator.com/item?id=20369960

You can't comment there any more, so new comments can go here, but it's potentially useful to read the previous discussion.

There are a few extra comments here:

https://news.ycombinator.com/item?id=20641380