The researchers examined the possibility of building their boulder blast shields in two areas ... the team figures the shield wall could get built in a minimum of about 126 Earth days.

A blast shield to protect a lunar base from landing and launching rockets could be built in just three months. An autonomous, robotic hydraulic excavator could build a dry stone wall to act as a ...

On this Veterans Day, the Kidd is finally complete. A blast shield that protected seamen from the concussion of the warship’s 5-inch gun was put in place on Oct. 26, completing the external ...