3 ms·
Nice that the new interval completely lies within the old. I remember from college that there was an important physical constant where a new, more precise meas
by geertj 9y ago
Nice that the new interval completely lies within the old.
I remember from college that there was an important physical constant where a new, more precise measurement was pretty far outside the range of the previous best measurement. I don't remember which one..
- eru 9y agoI think the story was that the first experiment was borked but done by someone famous, so the new experimenters didn't want to disagree too much.
- semantics 9y agoThis happened (allegedly) with the the Millikan oil drop experiment[0] which measured the charge of the electron. [0] https://en.wikipedia.org/wiki/Oil_drop_experiment https://en.wikipedia.org/wiki/Oil_drop_experiment
- evanb 9y agoDepending on when you went to college, you may be thinking of the proton radius puzzle https://en.wikipedia.org/wiki/Proton_radius_puzzle https://en.wikipedia.org/wiki/Proton_radius_puzzle which (to gloss over an enormous amount of detail) amounts to tension between two different ways of measuring the same property of the proton.
- ISL 9y agoOther possibilities: Neutron lifetime, Newton's constant (twice!)