Watch: NASA carries out volcanic ash engine test
NASA researchers are spending at least the next six months poring over data from a test that involved sending volcanic ash through an airplane engine.
Nov 20, 2015, 20:06 PM IST
NASA researchers are spending at least the next six months poring over data from a test that involved sending volcanic ash through an airplane engine.
Nov 20, 2015, 20:06 PM IST