This clip illustrates how fast the speed of light truly is and how it affects us. Neil deGrasse Tyson helps us visualize how light moves.

Luke, Ben, Han Solo, and Chewbacca escape the Imperial Forces using the Millennium Falcon. They're being chased by Imperial cruisers, which are gaining on them. Han decides that the only way to lose them is to make the jump to light speed and prepares the ship for the jump. Luke is panicked and tries to rush Han to make the jump, but Han explains that they need to make the right calculations or it could spell disaster.

A series of simple machines help collect mushrooms and crush them to produce a drink for Dr. Robotnik.

Bill Nye show us how a circuit works by comparing electrons to water.

Mr. Seaver begins teaching the class a lesson on gravity out of the textbook. He is especially confused by the book's claim that a coin and a feather will fall at exactly the same speed. After Luke challenges him to prove it, he tests the claim.