Bill provides a brief background on the history of measurement and explains why humans developed standard units of measurement. He explains how the meter was developed and talks about the simplicity of the metric system.
Bad Man challenges Amber and Michael to identify numbers in the tenths and hundredths places from a fixed set. After they successfully complete the challenge, he asks them to place the numbers in order on the number line.
Bad Man challenges Amber to place on the number line three numbers between 1 and 2. He refers to the numbers directly to the right of the decimal point as tenths. He then gives Michael a similar challenge to that of Amber except with numbers containing decimals in the hundredths place.
Bad Man challenges Sarah and Nico to add numbers with decimals up to the hundredths place. They walk through their process in a manner that is easy to follow and eventually calculate the correct answer. Before they start solving the problem, Bad Man reminds them to estimate so that they can quickly determine if they've gone astray.
In an interactive game, Bad Man tests two kids on their ability to mark the vertices of a triangle after it has been reflected on one axis. After the kids complete the challenge, Bad Man puts four more kids to the test: he asks them to reflect a diamond shape over the Y axis.
Members of the math club use the distributive property in reverse with variables to determine the number of friendship bracelets they can make with the number of materials they have available. They explain the steps they took to arrive at their answer.
The math club illustrates how to use the distributive property in reverse through factoring. As the members of the club explain, this technique can be used to check your work when utilizing the distributive property.
The math club illustrates how the distributive property is useful when working with variables. They need to make five friendship bracelets and know the materials required to make a single bracelet. Using the distributive property, they find out the total number of materials needed to create all five bracelets.
Members of math club explain that the distributive property doesn't change the value of the expression, only how the answer is derived. They stress that you every number within the parenthesis is multiplied. They also mention that the distributive property applies only to multiplication, not addition.
Toni the Baker makes cupcakes for Bill's niece and nephew, and she runs out of boxes for all of the cupcakes. Bill walks through how to determine the number of cupcakes in each box, without Toni giving him the answer.
The monsters measure the capacity of different sized scoops to find the scoops that have enough capacity to fill a bag with different treats. Once they find the right sized scoop, they begin filling the bags with treats. Later, a Monster Monitor further explains capacity by showing a monster's attempts at filling a pool with dragon drool using different sized buckets.
Sheldon gives Penny a package for a delivery that she was expecting. He asks her to sign a document that acknowledges her receipt of the package so that he is no longer liable for its delivery. When Penny objects, Sheldon tells her that it is illegal bailment and explains the concept of bailment to her.
Dr. House argues with a young girl about her stuffed animal named Bill. She claims that Bill is a dog because he has fur, four legs, and a collar. House points out that she is making a faulty syllogism.
This clip explains how World War I came to be a global war after the assassination of Archduke Franz Ferdinand of Austria. Austria-Hungary declares war on Serbia for the assassination, and each country's allies declare war on the opposing countries.
An Austro-Hungarian general advises Emperor Franz Josef I to take punitive actions against Serbia for the assassination of Archduke Franz Ferdinand. Emperor Franz Josef worries about the greater implications of these actions since Russia is Serbia's ally. The general believes that the Austro-Hungarian alliance with Germany is enough to restrain them.
Vladimir Lenin meets with his life partner, Krupskaya, and discusses the role of the revolutionary party. He expounds his ideas on engagement with the common people and their needs in order to gain their trust. He believes that only with the confidence and power of the people will they be able to challenge the Czarist state in Russia.
Czar Nicholas II of Russia is traveling on a train, and the train is stopped because of an urgent matter. A messenger tells the Czar that the Duma requests that he abdicate the throne immediately, and when the Czar refuses, he states that they demand his abdication. The Czar is faced with a difficult decision, as it is clear his presence is not welcome in any new form of Russian government that takes shape.
Lenin is hard at work growing his revolutionary movement from exile in Switzerland. He learns of the fall of the Czar in the February Revolution of 1917 and begins planning his return to Russia. He is given the difficult choice of accepting German help to get him to Russia.
Leon Trotsky and Vladimir Lenin meet in London in 1902 to discuss Marxism and the Marxist revolution. During their discussion, Trotsky recites from his work, "On Optimism and Pessimism," and gets Lenin's feedback on it.
Kaiser Wilhelm II and the German High Command discuss Germany's situation in World War I. They are now willing to take more radical actions to sway the war in its favor, including inciting revolution in Russia and allowing unrestricted submarine warfare in the Atlantic.
Kaiser Wilhelm II faces the dilemma of deciding to sponsor Lenin's return to Russian. He is fearful of creating a "Bolshevik nemesis" but reluctantly tells his advisors to allow Lenin and his compatriots to travel through Germany from exile in Switzerland in order to destabilize Russia.
King Faisal and T.E. Lawrence present the Arab view at the Paris Peace Conference of 1919. Faisal reminds the Allied Powers that the Arabs were promised a state of their own and fought alongside the allies for that purpose. The secret Sykes-Picot treaty had already carved up the lands Faisal was hoping to unite between the French and British, and he asks the Allied Powers to keep their word.
Witnesses to the Treaty of Versailles, including Arnold Toynbee and the German representative to the peace talks, discuss the harsh terms of the Treaty and the consequences it will have for Germany and Europe in future years. They mention that the Treaty will bankrupt Germany and severely impair its ability to conduct reparations in the aftermath of the war. German representatives are also outraged that the Treaty requires Germany to accept blame for the war.
British and French generals discuss their strategy to attack the Russians during the Battle of the Alma. During their preparations to assault the Russians, they dismiss the journalist, William Howard Russell, who is serving as the first known modern war correspondent and will eventually document the famous Charge of the Light Brigade.
King Faisal tells British authorities that he is aware of their intention to divide Ottoman lands between themselves and the French. The authorities deny this intention, and T.E. Lawrence denies having knowledge of this secret deal. Once King Faisal leaves the room, one of the authorities explains the Sykes-Picot Agreement to T.E. Lawrence. The agreement would eventually create the borders of the modern Middle East.
Ernesto "Che" Guevara, speaking on behalf of the government of Cuba, lists five demands in reference to the United States which he believes are necessary to secure peace in the Caribbean. Among these demands are to stop the embargo against Cuba and refrain from conducting surbversive pirate attacks.
Ernesto "Che" Guevara criticizes U.S. policy and intervention in Latin America in a speech at the United Nations in 1964. An American representative, and representatives from other Latin American countries, respond to his criticism.
A small force of British colonial soldiers, armed with the best equipment that industrialized England can produce, defeats a significantly larger force of Zulu warriors at the Battle of Rorke's Drift during the Anglo-Zulu wars.
Note: Turn on the captions on the video player to view English subtitles.
A captured FLN member highlights the disparity between the violence inflicted on Algerians and French settlers at a French press conference.
Note: Turn on the captions on the video player to view English subtitles.
During a nationwide general strike meant to bring attention to the Algerian struggle against the French, French authorities attempt to pacify the Algerian people. The French make negative comments about the National Liberation Front (FLN) in order to counter domestic support for the organization. A young Algerian boy gains access to a microphone and garners support for the FLN.
In Kitty Hawk, North Carolina in 1903, Wilbur and Orville Wright are ready for their first attempt at powered flight. The two brothers take turns piloting the plane during different trial runs. They eventually fly their powered airplane successfully for 59 seconds.