Using mortar filled tennis balls to make structures more resistant to earthquakes by Bob Yirka, Phys.org Add as preferred source Credit: CC0 Public Domain ...

You can also use the ping system. Pinging a location marks it, and that marker then appears on your azimuth or compass HUD ...

To adapt mortar to new building materials and industrial methods, the content in walls and plaster changed during the 20th century. The change meant that knowledge of historical materials and methods ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukrainian Armor, a defence industry company, is developing first-person view (FPV) munitions that use 82mm and 120mm mortar rounds ...

Around three billion tons of cement are produced around the world each year (Guillaume, 2014), of which the majority is consumed in developing countries due to ceaselessly growing demand, attributed ...