How are 144hz screen possible?
Had this reflection that 144hz screens where the only type of screen I knew, that was not a multiple of 60. 60 Hz - 120hz - 240hz - 360hz
And in the middle 144hz Is there a reason why all follow this 60 rule, and if so, why is 144hz here
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Really no different. The ABEC rating is about machine tolerances so they can spin really fast.
Roller blades and skateboards just don't go that fast. Also the impacts and crap that they get off the ground damages them far more than what an industrial usage setting would.
They're just fleecing customers
I had huge 100mm wheels, so I thought I felt the difference between ABEC-3 and -5, but maybe that was just placebo.
I could be wrong and really don't have the math in me, but I believer we're taking about thousands of RPM here
Was big into roller skating as a kid. Had ABEC-7 bearings in my skates. They rolled extremely smooth for the first month or so...then they were normal skates again.