NIST News

NIST Submits Annual Report to Congress Summarizing FY 2025 NCST Investigations

NIST submitted its FY 2025 annual report to Congress under the National Construction Safety Team Act, covering investigation progress on the 2021 Champlain Towers South collapse in Surfside, Florida; impacts of Hurricane Maria on Puerto Rico in 2018; and implementation of recommendations from the Joplin tornado investigation. The Champlain Towers South investigation team has completed the majority of its technical work, including materials testing, full-scale building replica tests, and analysis to update the collapse timeline.

NIST Unveils 10-Year Big G Measurement

NIST physicist Stephan Schlamminger and collaborators have published results from a 10-year independent measurement of the gravitational constant (big G), determining a value of 6.67387×10⁻¹¹ m³/(kg·s²). The NIST result differs from a 2007 BIPM measurement by 0.0235%, suggesting possible systematic experimental errors rather than new physics. This publication represents a scientific measurement achievement with no regulatory or compliance implications for any regulated sector.