Shuttle vs Soyuz vs Dragon - Rocket Science with professor Geraint Lewis (196)

<p><span style="font-size: 10pt;">2020 is a milestone in space travel. The International Space Station received astronauts from a privately owned mission. So how do the USA's shuttle, Russia's Soyuz and Musk's Dragon stack up ? Doctor Karl and Professor Geraint Lewis review the modern history of human space flight.     </span></p> <p><span style= "font-size: 10pt;">http://www.physics.usyd.edu.au/~gfl/</span><br /> <span style="font-size: 10pt;">http://drkarl.com</span></p>