@sonhouse saidHows that Bahgdad battery comming along
https://phys.org/news/2019-09-tooth-enamel.html
This can be a game changer for dental science.
you shist stain?
@wildgrass
I think the difference in this work was the hardness of the new enamel, clusters much harder than other work and so more likely to be there for years.
@joe-beyser
So you were so distressed at the fact you are a really bad chessplayer you stopped playing a long time ago and now just focus your flagging energy on trolling other folks postings. Last move 2300 odd days ago. Way to go. a REAL chess player.