Goethe University chemistry professor Alexander Heckel was working on DNA nanotechnology when he got mar... ...de from interlocking loops of DNA molecules!Prof. Alexander Heckel and his doctoral student Thorsten Schmidt of Goet...
https://www.neatorama.com/2011/04/12/worlds-smallest-wedding-rings/
World's Smallest Wedding Rings...
There are no products matching your search terms
search took 0.015 seconds