Source update. This is a short factual summary of an official public item from NIST. It is not original reporting by Imran Ahmed Moshio, and this site is not an official Meta news partner.
What happened
A NIST researcher has unveiled the results of a 10-year quest to measure the constant.
Original source
Source publication date: Apr 16, 2026. Original Source →
We do not copy the full source article. Copyright remains with NIST.