Good thing it's in the Unicorn Corral then.
The illustrations from 1709 may be speculative. Today's examples are smooth white spheres. That are used for loitering observation.
__________________
.
.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
________________
.
.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
|