Reinforcement learning is useful in situations where we want to train AIs to have certain skills we don't fully understand. We're going to explore these ideas, introduce a ton of new terms like value, policy, agent, environment, actions,...

The third in a series of videos on how to build a little bot called Spout, using solder. This one covers how to attach Spout's wires and connectors.

In this video we show you how to connect Spider's motors and batteries. [6:28]

In this video we show you how to connect Spider's motors to his tap light base. [2:30]

In this video weshow you how to put the antenna on Spout. [1:55]

In this video we preview a quirky little beetle bot called Spout. Spout is based off of the "beetle bot" platform. Spout can be built in under two hours, costs less than ten dollars, is a great way to teach about math and physical...

In this video we apply electrical tape to the axles of the motors to increase the amount of friction between the motor and the table surface. [1:14]

Make Spout a low cost beetle bot that can avoid obstacles. Shows how Spout can be made cheaply and without solder. [1:18]

In this video we show you how to attach and adjust the Spider bot's bezel. [1:13]

Happy Valentines Day from Khan Academy Projects! A quick demonstration of spider bots in motion.