Units with micro `μ` prefix needs internet connection to interpret. For example, 

<img src="https://i.sstatic.net/IUuv2.png" width="400">

Though after one such interpretation, `Quantity` remembers it. However, it only remembers it in this particular kernel session. Is it possible to make `Quantity` remember such interpretation for all future kernel sessions?



  [1]: https://i.sstatic.net/IUuv2.png