LA
Los Angeles
Tooltip Categories: Cal-Earth
lunar
relating to the moon.
NASA
the National Aeronautics and Space Administration
to catch on
to become popular or accepted
FEMA
the Federal Emergency Management Agency
UN
the United Nations
hurricane
a dangerous tropical storm
Superadobe
a new type of adobe, a building material often made of clay, sand, water, and straw
cement
a powdery mixture of lime and clay, used to make concrete.
tamp
to press or tap down