4 ms·

>Venera > Even the venerable... Ha. Did you do that on purpose? I swear I remember reading about "lenses made of diamonds" when I was a kid but I can't find a

• ridgeguy 6y ago
  There are diamond lenses [1]. They could be just the thing for Venus, which may have sulphuric acid rain. Diamond has no known equilibrium chemical reactivity below about 550 deg C. [1] http://ndtcompany.com/products/diamond_lenses/ http://ndtcompany.com/products/diamond_lenses/