4 ms·
Is the use of a rare earth element really functionally necessary here or are they actually doing it purely for marketing value?
by stemlord 4y ago
Is the use of a rare earth element really functionally necessary here or are they actually doing it purely for marketing value?
- xvaier 4y agoI would think so. Rare earth magnets are permanent magnets and can be much stronger than iron based magnets of the same size.