Chip curves space-time
Material could help model general relativity in the lab
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/09/grav20lensing_edited-1.jpg?fit=1030%2C410&ssl=1)
LIGHT BENDER The gravitational field of a massive stellar object bends light on the left. To the right, a microsphere (purple) on a computer chip (green) mimics the warping of light (from lasers, red arrows) by a gravitational field.
C. Sheng et al/Nature Photonics 2013