People will not sink on the sandy beach, but as air is sent in the sandy beach, "Fluidized bed"The sand will become wavy like water. A movie that reproduces this phenomenon by using a bath bath is ...

In a laboratory where physicists study how snakes move, a special tank turns sand to fluid. The researchers use the system to "reset" the sand in a highly controlled way, in between experiments where ...

Slow-motion video of different animals negotiating the fluid sand (footage: Qian et al. 2015) By puffing air upwards through a box of sand, a US laboratory has tested how lizards, crabs and robots ...