Watch Clip

What Drones Can See
2m 52s
An engineer describes the next-generation surveillance sensor for UAVs, called ARGUS.
NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.
Video description: For almost 13 years, the spacecraft Cassini has been in the Saturn system, documenting the planet and its moons. Cassini’s days are numbered—on 15 September, it will be sent hurtling towards Saturn. But just because it’s running out of fuel doesn’t mean it’s running out of fire. Cassini has a lot more science to do in its final chapter.