There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practical talk, nuclear security expert Emma...

Today nine nations collectively control more than 15,000 nuclear weapons, each hundreds of times more powerful than those dropped on Hiroshima and Nagasaki. We don't need more nuclear weapons; we need a new generation to face the...

Garwin part 6/11: In this video, Richard Garwin discusses the historical context of nuclear weapons and the concept of deterrence during the Cold War. He highlights the massive number of nuclear weapons possessed by both the United...

When the Americans tried to detect radiation from Soviet bombs, they in fact discovered gamma ray bursts - radiation from deep space. Physics - Universe - Learning Points. During the Cold War, the US suspected the Soviets of testing...

After World War II, the world entered a tense time called the Cold War. In this episode, we’ll learn about the rivalry between the United States and the Soviet Union as they competed for power, technology, and influence. There were no...

Nations that develop nuclear weapons often do so as a deterrent to any would-be attacker; it is a significant investment and so these nations, especially the smaller nations on the nuclear list, are threatened by nations surrounding...

An animated video outlining the basic narrative of the Cold War, Capitalism vs Communism, Red Scare, the Berlin Wall, Korea, Vietnam, Afghanistan etc.

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Nuclear weapons are some of the most powerful tools of destruction on Earth, and the full scope of a nuclear detonation is almost unimaginable. However, there is a scientifically supported plan of action that could save thousands of...

This clip examines the Cold War Era and the end of the Soviet Union.

The face of nuclear terror has changed since the Cold War, but disaster-medicine expert Irwin Redlener reminds us the threat is still real. He looks at some of history's farcical countermeasures and offers practical advice on how to...

By the 1960s, the world's two largest communist countries, the Soviet Union and China, were not getting along so well. Mao Zedong, the leader of China,and Nikita Khrushchev, the leader of the Soviet Union, both had different...

Examine the aftermath of the Cuban Missile Crisis and its impact on global nuclear policies. Learn how the United States and the Soviet Union removed missiles from Cuba and established a hotline for direct communication. Understand the...

Learn what a war between the U.S. and the Soviet Union-both in possession of nuclear weapons-could have looked like.

Doug Emlen returns to SciShow to talk about the parallels between arms races in animals and arms races in humans. Then Jessi joins the show to show off an animal with it's own set of weapons.

Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...

From atomic explosions occurring at the height of the Cold War to North Korea allegedly flexing its nuclear muscles' nuclear disasters are big news. However, many are shrouded in mystery, cover-ups and downright lies. Join Alltime 10s as...

“History Doesn't Repeat Itself, but It Often Rhymes” – Mark Twain.

This video provides a concise yet comprehensive overview of the impact of the atomic bombings of Hiroshima and Nagasaki during World War II, the subsequent nuclear testing at Bikini Atoll, and the development of nuclear weapons through...

Nuclear war is a terrifying existential threat, but we shouldn't only fear the blasts because the ensuing smoke is the real killer.

In 1987, the New Zealand parliament passed the “New Zealand Nuclear Free Zone, Disarmament, and Arms Control Act” writing into law that New Zealand would be Nuclear-Free. This was the last act in a series of events where being...

Robert J. Oppenheimer, born on April 22, 1904, is known as the father of the atomic bomb. Oppenheimer was awarded a PhD in theoretical physics and was interested in the emerging field of quantum physics. As a scientist at the University...

Robert J. Oppenheimer, born on April 22, 1904, is known as the father of the atomic bomb. Oppenheimer was awarded a PhD in theoretical physics and was interested in the emerging field of quantum physics. As a scientist at the University...

America and Russia have pulled out of the INF, a cold war-era weapons treaty. Why is this significant and what does this mean for global stability?