![](https://assets.weforum.org/article/image/VX8h-y4pjtXVWLDSiujmr_eWwC2AuEvGH0tUw1Bt2k0.jpg)
Emerging Technologies
We're still not sure how strong gravity is - but a new experiment with lasers might help
Researchers have redetermined the gravitational constant G, which determines the strength of gravity, using a measurement technique that relies on lasers.