Skip to content

PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

Learning without distractions

Comparing linear rates example

5K views on YouTube

Khan Academy 1148 tutorials here
Mathematics

Compare the positions of two creatures moving at constant speed and determine when one catches up with the other.