Watch
Season 5, episode 3. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.
Currently watching
Satellites.
Strong enough to survive their fiery launch into orbit, sophisticated enough to provide life-saving images or relay tens of thousands of phone calls at the same time. By monitoring weapons systems and troop movements, these "eyes in the sky" may be the difference between security and annihilation. From the futuristic visions of a British sci-fi writer to creations of a German rocket designer for the Nazi war machine to the Cold War technological race, we review the satellites that link our world.
Watch state
Watch history and continue watching stay tied to your active profile, so you can pick up later from browse, account, and detail pages.
Provider validated
Cast And Share
These providers run inside an external iframe, so the most reliable casting flow is to open the player in its own tab and use your browser or device cast controls there.
Episode 10: Forensic Science: The Crime Fighter's Weapon.