Behold the one true parabola! All parabolas are exactly the same, just zoomed in and out.

Copy of the lecture notes:
http://imgur.com/a/OjvYo

Original paraboloids video:
   • Paraboloids and The Building which Se...  

Fledgling subreddit:
  / mattparker  

Music by Howard Carter
Design by Simon Wright

Additional music:
Every Voice by Jimmy Fontanez
Church Bell Celebration by Doug Maxwell

MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/
Book: http://makeanddo4D.com/
Nerdy maths toys: http://mathsgear.co.uk/