Big G

Physicists have struggled for over two centuries to precisely measure the gravitational constant 'Big G,' with recent experiments yielding inconsistent results. A 10-year study by NIST published in Metrologia added a new data point but failed to resolve the discrepancy, highlighting the challenge of measuring gravity's weakness in laboratory settings.

Ace, a table-tennis robot, uses a high-speed perception system to predict complex ball movements and outperform elite players. The article also references a decade-long experiment measuring the strength of Big G.

Physicists have spent the past decade attempting to measure the gravitational constant (Big G) but have not succeeded in determining its precise value. The effort highlights the ongoing challenge of pinning down this fundamental constant of nature.