Engineering

Exploring explosives for expanding geothermal energy

Why are scientists setting off small-scale explosions inside 1-foot cubes of plexiglass? They're watching how fractures form and grow in a rocklike substance to see if explosives or propellants, similar to jet fuel, can connect ...

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Boeing gets patent for a shockwave attenuation system

In science fiction, force fields act as a defense against enemy fire. This month, Boeing got a patent for generating force fields that keep shockwaves from harming military vehicles. The Boeing Company's patent, "Method ...