NASA's Jet Propulsion Laboratory News and Features: NASA and NOAA scientists have developed a new technique for monitoring ice cover on the Great Lakes that's so accurate it can spot the track of an icebreaker -- even at night.
NASA's Jet Propulsion Laboratory News and Features: NASA and NOAA scientists have developed a new technique for monitoring ice cover on the Great Lakes that's so accurate it can spot the track of an icebreaker -- even at night.