# What precision do you need to stick C2 to something? # What precision do you need to stick C2 to something This is basically the lower limit on the precision that you would want an atomically precise system to have <!-- #questions/apm --> [Web URL for this note](http://notes.benjaminreinhardt.com/What+precision+do+you+need+to+stick+C2+to+something) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/What+precision+do+you+need+to+stick+C2+to+something) <!-- {BearID:32F8F74B-3BF4-41FB-95A1-0FA8CC660A45-92035-00080F653F5F2D17} -->