at://
/
app.bsky.feed.post
/
3mho55l4bpk2d
sign in
All
4
Record
2
Post
1
PostEmbed
1
Post
by @danabra.mov
PostEmbed
by @danabra.mov
Record
by @jimpick.com
Record
by @atsui.org
+ new component
Post
There is a rare type of very hard wood called ‘Lignum Vitae’. It’s so hard that it was used to make propeller shaft bearings for nuclear submarines.