Physicists have found a way to foil a classic oobleck science trick
The cornstarch and water mixture solidifies under impact. A new technique makes it stay liquid
![woman running barefoot across pit of ooblek](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/05/050720_ec_ooblek_feat.jpg?fit=1028%2C579&ssl=1)
Runners can cross a liquid mixture of cornstarch and water, which solidifies when hit by footfalls. But now scientists have discovered a way to sink such runners.
Brett Morrison/Beakerhead/Flickr (CC BY-NC-ND 2.0)