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TUE, 22 SEPT · 78 ITEMS
"Scientists opened a sealed envelope after 10 years. Gravity still didn't make sense" — Science Daily (all) · Science & Medicine
After a decade of painstaking experiments, physicist Stephan Schlamminger and his team at measured the gravitational constant (big G) with record precision. They sealed the result in an envelope in 2016 to prevent bias, and upon opening it in 2026, found their value disagreed with a separate French measurement by 0.0235% — a discrepancy too large to be explained by experimental error, suggesting that gravity's fundamental strength remains mysterious.
The claim is based on a well-documented experimental procedure by NIST, reported by Science Daily (a reputable secondary source) after the envelope was opened in September 2026. The reporting closely mirrors the primary research, which has been described in detail in multiple prior Science Daily articles and is consistent with known challenges in measuring G. No contradictory evidence appears in the search results.
Genuinely new as of September 20, 2026; the envelope opening and result were reported that same day.