Can you solve the burning stick riddle? ft Simone Giertz part 3/3

How can you time 45 minutes with 2 sticks that each burn for one hour?
Simone’s channel: https://www.youtube.com/channel/UC3KEoMzNz8eYnwBC34RaKCQ

First riddle video: https://www.youtube.com/watch?v=qplG78Guaa4
Second riddle video: https://youtu.be/ri49dTluKPU

Creator: Dianna Cowern
Editor: Dianna Cowern
Visuals: Kyle Norby
Subscribe to Physics Girl for more fun physics!
https://www.youtube.com/subscription_center?add_user=physicswoman

Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2

Twitter: http://twitter.com/thephysicsgirl
Facebook: http://facebook.com/thephysicsgirl
Instagram: http://instagram.com/thephysicsgirl