“Oobleck” is a strange fluid made of equal parts of cornstarch and water. It flows like milk when gently stirred, but turns rock-solid when impacted at high speed. This fascinating phenomenon, known as shear-thickening, results in spectacular demonstrations like running on a pool of Oobleck without submerging into it, as long as the runner doesn’t stop.
Click here for original story, Researchers unveil the origin of Oobleck waves
Source: Phys.org