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

There are a lot of nuclear weapons on Earth, so many that we often say it's enough to "destroy the world several times over." But could we? Well, that depends on what you mean. Also...no matter what you mean, probably not. The Earth is...

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...

What's six miles wide and can end civilization in an instant? An asteroid -- and there are lots of them out there. With humor and great visuals, Phil Plait shows us all the ways asteroids can kill us (yipes), and what we must do to avoid...

Some of the greatest advances in science have come from humanity's more destructive impulses. This is not the fault of science - when we discover powerful truths about the universe it's up to us to decide how to use them because...

The story picks up where we left off last time, with Einstein writing the president of his new homeland, the United States, urging him to build a nuclear weapon before Hitler. This is the tale of the most destructive force humans have...

Hydrogen bomb how does it work? The bomb on Hiroshima released the energy equivalent of 15,000 tons of TNT. The first hydrogen bomb released the energy equivalent of 10,000,000 tons of TNT.



While...

At 5:30AM, dawn on July 16, 1945 near a small town called Alamagordo New Mexico, the course of human history was changed. The first atomic bomb was detonated that day, and sealed the fate of humanity....

Plutonium is an element with so much energy it has powered space probes beyond our Solar System.



Chemistry - Periodic Table - Learni

ng Points.

Plutonium is

a radioactive metal.

Plutonium was...

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...

How the principles of nuclear physics have been used to unleash massive destruction. How do fission bombs and thermonuclear bombs work, and what are the differences between the two? Physics - Energy And Radioactivity - Learning Points....

Stuxnet, a powerful cyber weapon used to disrupt Iran's nuclear advancements at the Natanz facility in 2010, marked a pivotal moment in the history of cyber warfare.

The decision to drop the Atomic bomb in Japan to end WWII are controversial to this day. Explore the decision that Harry Truman had to make and then make up your own mind.

On December 8th 1987 American President Ronald Reagan and Soviet General Secretary Mikhail Gorbachev signed the Intermediate-Range Nuclear Forces Treaty—agreeing to ban an entire class of nuclear weapon. Nearly 30 years on, tensions and...

Garwin part 1/11: In this video, Richard Garwin reflects on the significant events and challenges of the atomic age, including the Cuban Missile Crisis and the threat of nuclear proliferation. He emphasizes the importance of education...

Garwin part 10/11: In this video, scientist Richard Garwin discusses the importance of science in controlling and understanding the world around us. He reflects on a tense period during the Cold War and the responsibility scientists had...

Following recent developments, some are beginning to worry about the nuclear future of Iran. With the country dropping out of their nuclear commitments they are now free to develop nuclear technology, whether that be domestic or...

Garwin part 2/11: This video explores the history of Los Alamos and its role in the development of the atomic bomb during World War II. It highlights the isolation and secrecy of the Los Alamos Laboratory, as well as the experiences of...

Garwin part 8/11: This video features a conversation about the history of the Federation of American Scientists (FAS) and their work in reducing nuclear dangers and advocating for civilian control of nuclear technology. It also discusses...

Garwin part 4/11: This video provides a glimpse into the historical significance of Los Alamos, the site where the first atomic bomb was assembled during the Manhattan Project. The video also touches on the transition from the Manhattan...

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...

China is building a version of America's Z machine that will simulate thermonuclear explosions at a much larger scale.

National Security Adviser to President-elect Joseph Biden, Jake Sullivan, on what the next four years will look like for global affairs.

Garwin part 7/11: This video discusses the role of the Jasons, a group of academic scientists who provide independent and technical advice to various branches of the government. It explores their involvement in the Vietnam War and the...