A massive ball of extremely hot gases, held together by its own gravity.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

A star which suddenly increases in brightness in an explosive burst of light, and then eventually fades away.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images...

A bowl-shaped depression, usually circular, in the surface of a planet or moon.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

A unique combination of sunspots, solar flares and magnetic fields combine to create a visual spectacle on Earth. But what are the forces at work? Physics - Our Solar System - Learning Points. Natural light displays known as Aurora...

Discover one theory about a single event over 13.8 billion years ago, that might have created our Universe.



Physics - Universe - Learni

ng Points.

The Big Bang took place over 13.



8 billion years...

When Phineas Gage's brain was injured in a freak accident, his personality changed giving scientists a unique opportunity to study brain function. Biology - Being Human - Learning Points. Phineas Gage, a railway construction foreman...

The Large Hadron Collider, the world's longest particle accelerator, is exciting scientists around the world who hope it can recreate the moments just after the Big Bang. Physics - Universe - Learning Points. The Large Hadron Collider is...

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...

The cycle of lava as a destructive and constructive force, building the structure of volcanoes and powering their devastating impact. Earth Science - Geology - Learning Points. Volcanoes are landforms that occur along plate boundaries....

In 1986, the Chernobyl nuclear power plant exploded. What caused the explosion and why has Chernobyl become a lasting reminder of the dangers of nuclear power? Earth Science - Earth's Resources - Learning Points. The world's first...

What is intuition and how does it work? A fireman explains how intuition saved his and his crews' lives. Biology - Being Human - Learning Points. The human brain has powers we aren't normally aware of. There is a part of our brain that...

What is it? ... It's an explosion!
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Material processes - Changing materials - More chem
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cal reactions


A Twig Tidbit Film - Pixelate. A pixelated image unscrambles. The children have to guess what it...

This video explores the events of the 1986 Chernobyl disaster, where a reactor explosion released massive amounts of radiation into the atmosphere. Learn about the causes, the immediate response, and the long-term effects on the...

This video details the events on the night of the USS Maine's explosion in Havana Harbor, including the activities of the crew before the blast and the immediate aftermath, highlighting the rescue operations and the first reactions to...

This video explains how atomic bombs and nuclear reactors work with a simulation. It also explains why critical mass is a confusing topic in nuclear physics. It depends on a lot more than just the mass.

Contrary to popular belief (as set by movies), cars are not very prone to explosions, and even a car that is on fire is very unlikely to explode. The necessary conditions for an explosion to take place are not met after a car experiences...

Bunkers are “invulnerable” establishments built to safeguard armed forces and civilians from efforts of war. An underground bunker’s ability to withstand nuclear bombs depends on two parameters—the bunker’s design and the bomb’s...

This video provides a detailed account of the tragic sinking of the Russian submarine Kursk in 2000, highlighting the historical significance of the name "Kursk" to the Russian people and the devastating events that led to the loss of...

This video is a detailed account of the Apollo 13 mission that took place on April 11th, 1970. It chronicles the events leading up to and following the explosion of oxygen tank #2, which resulted in a life-threatening situation for the...

This video provides a chilling account of the Chernobyl nuclear disaster, highlighting the catastrophic consequences of the meltdown at reactor #4. It delves into the initial secrecy surrounding the incident, the evacuation of thousands...

A supernova is a spectacular explosion of a star that leads to the creation of a new star, enriching the surrounding space with elements like hydrogen and helium. This cosmic event, among the brightest stellar explosions ever observed,...

This video highlights the development of the ASCII White, a massive $110 million computer built by IBM to simulate nuclear tests in cyberspace. With the ban on nuclear testing, this powerful machine serves as a substitute for physical...

Love building snowmen but don't want to head outside in the cold to make one? Check out this fun science project you can do inside!
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In this video, Jessie shows you how to create an Explodin
g
Snowman.
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A tornado forms when there is a hot layer of atmospheric air that is covered by a relatively cold, dry bank of air above. When the warm air at the bottom of the atmosphere rises (due to its temperature), it pushes up on the cold air...