Sometimes light just gets in the way. A look at two technologies that block starlight to give telescopes a better view of distant Earth-like planets. For more information on exoplanet research: exoplanets.jpl.nasa.gov
JPL engineers are working on a small helicopter that could ‘scout’ a trail for future Mars rovers, but getting a chopper that could fly in the Martian atmosphere is tricky. Episode 2 of Crazy Engineering.