moving sign


***************************************************************

DN Speak has moved.


Click here to go to DN Speak 2016 for new posts.


***************************************************************


































































Featured: Interviews for the Well-Informed

Featured: Interviews for the Well-Informed

Did you know? After the last post on this page is a link to "Older posts".

Wednesday, August 19, 2015

New drinkable book able to clean dirty water

Somewhat misleading headline. You don't drink the book.  But still interesting.
https://youtu.be/yu7iBA1vLkk
at
Labels: ,

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)







Click Older Posts above to see more.





Search this blog