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Just to nit-pick on the listing (as a scientist)... These are coated with titanium nitride, abbreviated using the standard atomic symbols as TiN. TiN is a very hard ceramic material used in protective and/or colored coatings (among other things). TiNi, as it's written in the listing, on the other hand, would be titanium nickel, which is an entirely different material (shape memory alloy... although usually written as NiTi, or nitanol). A space pen made out of shape memory alloy would be awesome and something I've never seen before (other than small parts within the pen), which is why I looked at this drop in the first place. Thus, you can see (hopefully) the importance of not only accuracy in this case, but chemistry in general.
Oh wow! Nitinol for the material WOULD be an interesting choice. Thanks for the reminder about the chemical symbol designations!
Massdrop, seriously, you still haven't fixed this inaccurate and misleading listing? This is NOT a TiNi pen! Hell, it's not even a TiN pen. It's a TiN-coated pen.
They probably don't want people to think that the pen is made out of tin. Don't get me wrong, it absolutely should be advertised as "TiN", they just do not want to risk it.
Thank you for this post, it is very informative.
Hmm, I hadn't thought of that, but you could be onto something. Perhaps they could write it as "Ti-N"? I don't particularly like it, but it's still better than "TiNi."