SMRTR Science & EngineeringApr 27, 2026Scientific American

One scientist’s 10-year quest to calculate the strength of gravity

SMRTR summary

After 10 years of work, physicist Stephan Schlamminger published a new measurement of "Big G," the universal gravitational constant. His result, 6.67387 × 10⁻¹¹, was slightly lower than the current standard, meaning scientists still can't pinpoint G's exact value — possibly hinting at undiscovered physics.

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