Metamaterials:
https://en.wikipedia.org/wiki/Metamaterial- "Temporal chirp, temporal lensing and temporal routing via space-time interfaces" (2023)
https://news.ycombinator.com/item?id=39162149 :
- > "APL special topic: Time modulated metamaterials" (2023) https://pubs.aip.org/aip/apl/article/123/16/160401/2916954
- "Incandescent Temporal Metamaterials" (2023) https://news.ycombinator.com/item?id=39162302
