Some things wear out faster than others. You can get a lot of use out of a super magnet and it doesn't have a lot of moving parts, but you need a steady supply of deionized water to keep it cool. Or else it'll arc and start melting your other components.
Some things wear out faster than others. You can get a lot of use out of a super magnet and it doesn't have a lot of moving parts, but you need a steady supply of deionized water to keep it cool. Or else it'll arc and start melting your other components.