SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them!

In the 1700s, sailors used sextants to navigate the seas. Centuries later, these old-timey tools saved the day on not one, but two of the Apollo missions!

SEXTANT: Navigating by Cosmic Beacon



Imagine a technology that would allow space travelers to transmit gigabytes of data per second over interplanetary distances or to navigate to Mars and beyond using powerful beams of...

The Neutron Star Interior Composition Explorer (NICER) payload, destined for the exterior of the space station, will study the physics of neutron stars, providing new insight into their nature and behavior. These stars are called...

This video introduces the Neutron star Interior Composition Explorer (NICER). NICER is an Astrophysics Mission of Opportunity within NASA’s Explorer program, which provides frequent flight opportunities for world-class...

Title card: "Amateur sailor crosses Pacific in tiny boat - Fred Rebell of Australia ends 8,000 mile trip at Cabrillo Beach, Calif." / Fred Rebell lowers the sail on his small boat / SOT Rebell is glad the journey is over; it's been his...

Title: "First Pictures - US Icebreakers Make Historic Arctic Journey" superimposed over arctic waters / USS Burton Island at sea making way toward Northwest Passage / sailor with sextant / view from deck water moving from side to side /...

Nautical Desk - Seamless Loop

[Footage purportedly shot by Richard E. Byrd during record-setting flight across the North Pole] INT 'Josephine Ford' as (probably) pilot Floyd Bennett opens plane window / POV from inside plane as it passes over ice floes and water / VS...

MS AUDIO Captain looking through sextant, fishermen throwing nets, fishing trawler at sea, fishermen pulling out net loaded with fish / Russia

12/19/68 c0004097--color

cape kennedy : report on intricate problems of guiding astros on their lunar voyae and the ways in which these problems are sol
ved:
uncut "guidance and navigation"shows: special techniques used...