Why Aren't Commercial Jets Getting Faster?

Airplanes are one of the quickest ways to get anywhere, but commercial jets haven't gotten much fast since the 1950's. Why is that?

Hosted by: Hank Green

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:

Kevin Bealer, Jacob, Katie Marie Magnone, D.A. Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, Sam Buck, Ron Kakar, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg

----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:

https://web.mit.edu/2.972/www/reports/airfoil/airfoil.html
https://www.grc.nasa.gov/www/k-12/airplane/bernnew.html
https://www.encyclopedia.com/science-and-technology/physics/physics/bernoullis-principle
https://history.nasa.gov/SP-367/f86.htm
https://practicalaero.com/wp-content/uploads/2010/04/NASA-SP-367.pdf?fbclid=IwAR1JAvn2lYcAObNzEMoe-gMG9Wlu-Dwn3KfXogJ0dY9uEXGmgr4dREv7Atc
https://www.smithsonianmag.com/history/comets-tale-63573615/
https://www.britannica.com/technology/history-of-flight/The-jet-enters-the-civilian-world#ref943816
https://www.britannica.com/technology/Boeing-707
https://www.pbs.org/wgbh/nova/space/anatomy-concorde.html
https://designmuseum.org/design/concorde
https://www.youtube.com/watch?v=kGefMLHJBKA
https://www.popsci.com/concorde-anniversary-future-of-supersonic-flight/
https://www.theatlantic.com/technology/archive/2015/07/supersonic-airplanes-concorde/396698/
https://www.airspacemag.com/flight-today/my-ride-on-the-concorde-6783087/
https://westegg.com/inflation/
https://www.nasa.gov/press-release/nasa-s-x-59-quiet-supersonic-research-aircraft-cleared-for-final-assembly
https://engineering.mit.edu/engage/ask-an-engineer/how-does-a-jet-engine-work/
https://theicct.org/publications/fuel-efficiency-trends-new-commercial-jet-aircraft-1960-2014
https://www.grc.nasa.gov/WWW/k-12/UEET/StudentSite/engines.html
https://www.space.com/16709-breaking-the-sound-barrier.html
https://www.fighter-planes.com/jetmach1.htm