Jim al-Khalili shows us how the man who invented algebra, Al-Khwarizmi, would use his mathmatical discoveries during his time period, when things were much different.
How can stress and certain events lead to different outcomes? Play this game to see if you let your emotions get to your head when trying to accomplish something.
The captain tells the squadron that he is expanding it to four members, which concerns all of the lieutenants. Lt. Purcell states that four is an unlucky number because it's not prime. He then defines a prime number.
The CyberSquad finds that no one is on floor -3, and Motherboard cannot track their location. Jackie guesses that they are on floor -5, the Grand Ballroom, so Digit tries to determine which direction to go. Initially, he thinks that they should go up, but that turns out to be incorrect. Jackie, Inez, and Matt explain to Digit why -5 is less than -3.