Tesla

 is a Black Hole badge. To earn it, the user has to earn 10,000,000 energy points by watching videos, practicing exercises, or by completing programming challenges. You can find this badge here on Khan Academy.

Similar badge(s)

 * Category: Energy Point Badges

Trivia

 * Tesla is currently the only Black Hole badge which can be obtained by normal members.
 * As of now, there are 95 verified users that have achieved this honorable badge on Khan Academy, as of November 11th.
 * The badge is named after Nikola Tesla - the famous Serbian American inventor who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
 * It is possible to have 10,000,000+ points but not have the badge yet. Hopefully, this bug will be fixed soon.