Why Do We Still Use Knots

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=IfdJS_ineu4

What is a knot? Neil deGrasse Tyson and comedian Chuck Nice break down how we measure nautical speed. Learn about latitude and longitude and whether aliens know about the prime meridian. How has ocean navigation changed since the age of the pirates? • Timestamps: • 00:00 - Introduction: Knots • 00:38 - Latitude Longitude • 03:15 - Dividing Longitude Into Arcminutes • 07:34 - Airspeed GPS • 8:14 - Closing: What is a Knot? • Check out our second channel, @StarTalkPlus • Get the NEW StarTalk book, 'To Infinity and Beyond: A Journey of Cosmic Discovery' on Amazon: https://amzn.to/3PL0NFn • Support us on Patreon: / startalkradio • FOLLOW or SUBSCRIBE to StarTalk: • Twitter: / startalkradio • Facebook: / startalk • Instagram: / startalk • About StarTalk: • Science meets pop culture on StarTalk! Astrophysicist Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! • #StarTalk #NeildeGrasseTyson

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