3 ms·
Imagine one could make an approximate clock that does not rely on batteries or similar things that can expire. How close would it need to be to the actual time
by magicalhippo 3y ago
Imagine one could make an approximate clock that does not rely on batteries or similar things that can expire. How close would it need to be to the actual time to be useful? Does it have to be within a day, or could it be within a week or a month?