Tag: elements

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Spectroscopy of Stars – Wonders of the Universe

Understand what the universe is made of by looking at the light of its stars. In this clip from Wonders of the Universe – Stardust, Professor Brian Cox demonstrates how chemical elements emit a unique set of colors wh...

Why do ice cubes crack in drinks?

Here's an easy experiment: Take ice straight from the freezer and drop it in a glass of water. Listen and watch for the crack. Why does it do that? Professor Martyn Poliakoff of the Periodic Table of Videos team e...

Testing Fireworks

How do you know that the fireworks you've made are going to burst in the sky as expected? Test them! In this episode of I Didn't Know That, visit one of the UK's leading fireworks manufacturers as they test the compon...

We Are Dead Stars

We are dead stars. Everything we are – the iron in our blood, every element we've ever heard of – is made from a star, a dust cloud collapsing under the force of gravity. Astronomer Dr. Michelle Thaller si...

Mercury Hz

From “science on a budget” YouTuber Nick Moore, watch this drop of mercury being vibrated from ~120Hz down to ~10hz. We’ve seen resonance demonstrated before in Chladni Pat...

It’s Okay to Be Smart: How The Elements Got Their Names

This information-packed video from It’s Okay to Be Smart explains How The Elements Got Their Names in rhyme! It’s a great introduction for looking further into the periodic table&#...

Neodymium magnet in FAT copper pipe

There are quite a few neodymium magnets falling through copper pipes on the internet, but we can still understand why this demonstration video is making the rounds: it’s just so cool lo...

Match burning in slow motion

What’s happening when a match is lit? From Answers.com:  Matches contain sulfur, glass powder, and an oxidizing agent as the components in the match head. When you strike a match, the ...

Watch molten gold transform into gold leaf

Above, watch molten gold transform into gold leaf as it is beaten into thinner and thinner pieces while cold. This clip is from PBS’ six-part miniseries The Ring of Truth: An Inquiry I...

Periodic Table of Videos: Liquid Oxygen (slow motion)

From the Periodic Table of Videos team, hot charcoal meets Liquid Oxygen (slow motion). via Doobybrain.

AsapScience: The NEW Periodic Table Song

How fun is this AsapScience video written, directed and performed by Mitchell Moffit? Based on the famous can can piece from Orphée aux enfers by Jacques Offenbach, The NEW Periodic Table Son...

Tom Lehrer performs The Elements live (1967)

Watch singer-songwriter, satirist, pianist, and mathematician Tom Lehrer perform The Elements live from Copenhagen in 1967. Set to the melody, ”I Am the Very Model of a Modern Major-Ge...

A red hot ball of nickel is dropped in a cup of water

A red hot ball of nickel is dropped in a cup of water, resulting in a most unexpected reaction, in this demonstration of the Leidenfrost effect by Carsandwater. via Laughing Squid.

The Plankton Chronicles

After watching The Secret Life of Plankton, oh how happy we were(!) to find Para Films'  The Plankton Chronicles. There are so many beautiful videos shot in microscopic detail that we haven’t watched ...

Raw Footage of Jupiter from Voyager 1 (1979)

This raw movie footage was taken by the Voyager 1 spacecraft as it raced towards Jupiter in February 1979. Clearly visible is the constantly changing attitude of Voyager’s scan plat...

The Violent End Stage of Star Formation

EsoCast showcases a new Hubble image of a giant cloud of hydrogen gas illuminated by a bright young star. The image shows how violent the end stages of the star formation process can be, w...

Dr. Neil deGrasse Tyson: The Most Astounding Fact

Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, “What is the most astounding fact you can share with us about the Universe?” This is his answer. ...

Melting gallium spoon

Kids, remember Gallium from this video? Then let’s watch this spoon stir. This spoon made from 99.998% pure gallium metal melts at 86F/30C! Great for demonstration purposes (chemistry/...

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