Researchers model the physics of the pumping technique used to make air on a skateboard half-pipe
(a) Simulations of a skater's optimal pumping motion on a half-pipe. (b) Height and acceleration for different pumping strategies. Credit: ...
Tag: pumping
American officials: The Israeli army has begun pumping seawater into Hamas tunnels News
The Wall Street Journal quoted American officials, whom it described as knowledgeable, that the Israeli occupation army had begun pumping ...
