We have had 11 flights with significant number of impacts greater than one inch.
But there's new technology that's available in these football helmets where you can actually count the number of impacts to the head.
So Pop Warner tried to lessen the number of impacts by reducing incidents in practice, when a majority of the "car accidents" took place, according to Duma.
This may well be due to the silly number of impacts my poor skull has sustained, but more likely is that this is just life.
Ms. Lodge said that those changes reduced the number of impacts against the shuttle from more than 100 per mission to around 30, and reduced the size of breaking foam to "speckles" of a quarter-inch or smaller.
And so when we review our tile status post-landing one of the parameters that we look at are the number of impacts and those impacts that are greater than one inch.
And so tile is an area where we are constantly measuring the effectiveness of the tile and the number of impacts that we receive to determine whether we are doing anything different or if something has changed in our configuration.
The number of impacts on a small area A of the wall in time t is equal to the number of molecules that reach the wall in time t.
The material response is evaluated in terms of damage progression with the number of impacts.
Plastic deformation, strain hardening and perforation were observed with increasing number of impacts.
Experimental tests are performed under increasing impact energy and increasing number of impacts conditions.
