Topic: the big bang

Sort: Date | Title | Sort Ascending

What does the word ‘theory’ mean in science?

There’s an important difference between a scientific theory and the fanciful theories of an imaginative raconteur, and this quirk of semantics can lead to an all-too-common misconception. In general conversation, a ‘t...

A physical demonstration of gravitational waves

Start with the classic lycra space-time warping demo, add in news of LIGO and The First Observation of Gravitational Waves, then mix it with a drill. In this Ultimate Gravitational Waves Explanation, Steve Mould creat...

LIGO & The First Observation of Gravitational Waves – CalTech

On September 14, 2015 at 5:51am ET, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected ripples in the fabric of spacetime. One hundred years after Albert Einstein predicted the existence of gravit...

The Beginning of Everything – The Big Bang

From the team at Kurzgesagt, let’s explore what we know about The Beginning of Everything — The Big Bang: Has the universe a beginning or was it here since forever? Well, evidence ...

Cosmos: Carl Sagan’s Cosmic Calendar

Imagine that the age of the universe, 13.82 billion years, is compressed into only one year. Carl Sagan explains this idea (using 15 billion years as his example) in a clip from his 1980 television series, Cosmos: A ...

The beginning of the universe, for beginners – TED Ed

Today, TEDxCERN and TED-Ed have unveiled the first of 5 animated lessons specially developed by CERN scientists for TEDxCERN and brought to life by the talented animators at TED-Ed: “The begi...

Melody Sheep: Our Story in 1 Minute

Our Story in 1 Minute: A tapestry of footage tracing the cosmic and biological origins of our species, set to original music. 

How our Earth and solar system were formed

How our Earth and solar system were formed, from The Universe With Stephen Hawking - The Story of Everything. (Narrated by Stephen Hawking and Benedict Cumberbatch.)

The last five, wonder-filled minutes of Extreme Stars

You’re made of carbon, you’re made of oxygen, there’s iron in your blood. All of those things had to be generated inside the core of a star. There’s no other way to get them. So when you ...

Not finding what you're looking for? A few suggestions:
• Fewer words might give better results. Look up cats instead of funny cats.
• No need to search with the words videos or for kids included.
• Use related words: If searching for iceberg isn't working, try ice or glacier.
• Is everything spelled correctly?
• Browsing topics might help, too!