Topic: measurement

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CYMATICS: Science + music = audio frequency visualizations

With help from a Chladni Plate, vibrating liquid on a speaker dish, a hose pipe optical trick, ferrofluid, a Ruben's Tube, and a Telsa Coil, New Zealand musician Nigel Stanford showcases audio frequency visualizations...

How do we study the stars & how do we measure extreme distances?

How can we know so much about other galaxies? What are they made of? How big are they? How far away are they from Earth? "Want to know the secrets of the universe? Just follow the light." These two TED Eds fro...

A pendulum wave demonstration with bowling balls

Thanks to these 16 bowling balls hung from a 20 foot wooden frame in the mountains of North Carolina, we can see what a large-scale pendulum wave apparatus looks (and sounds) like. Filmed by Maria Ikenberry, she also ...

Eva Szasz’s Cosmic Zoom (1968)

From director Eva Szasz and the National Film Board of Canada, Cosmic Zoom (1968) is a wordless journey that attempts to demonstrate the scale of the universe. Beginning with a boy boating on the Ottawa River, we trav...

Everything You Need to Know About Planet Earth

When we wake up, eat breakfast, get ready for school or work, and head out the door, we may not be thinking about how incredibly unique our small, wet rock of a planet is. But the Earth is incredibly unique. Learn som...

Noodles & the principle of halving — The Ring of Truth: Atoms

Chef Kin Jing Mark demonstrates how to make super-thin noodles and helps introduce the principle of halving in this clip from the PBS miniseries The Ring of Truth: An Inquiry Into How We Know What We Know - Atoms (198...

Kurzgesagt: How Big is the Moon Really

How Big is the Moon Really? It might be much bigger (or much smaller) than you'd imagine. Kurzgesagt explains.

Sugar: Hiding in plain sight

We know that sugar is a big part of candy, ice cream, and sweet drinks, but did you know that added sugars are included in 3/4 of the 600,000+ products found in the average grocery store? And...

How Do We Know How Old the Sun Is?

How Do We Know How Old the Sun Is? The Royal Observatory, Greenwich, and animation studio Beakus join together to explain how Kepler and Newton’s laws help us figure out the weight of the ...

Bill Nye Bikes the Distance Between Planets

Bill Nye The Science Guy bikes down a long road in wide open country to demonstrate a scale model of the solar system – a classic clip. Total distance of his ride to Pluto, back before Pluto ...

The Science of Snowmaking

From The New York Times, Olympics 2014: The Science of Snowmaking:  Machines make snow the same way nature does, by freezing water droplets. But they do it a few feet above the ground, rat...

TED Ed: The Pangaea Pop-up

This papercraft pop-up book illustrates how South America and Africa used to be connected, how the supercontinent Pangaea broke apart 200 million years ago, how the Earth's seven primary tecto...

Adrian Esparza’s Wake and Wonder at the Pérez Art Museum Miami

From the Pérez Art Museum Miami’s exhibition, AMERICANA: Formalizing Craft, this is Adrian Esparza’s Wake and Wonder, a 12 x 30 foot installation rewoven from a Mexican serape bla...

How can we know anything about distant exoplanets?

How can we know the size, composition, and atmospheric makeup of distant exoplanets? NASA explains the details in this Alien Atmospheres video.  By observing periodic variations in the pare...

The Earth’s magnetic field helps foxes target mice in the snow

With its exceptional hearing, the red fox can detect when a small animal is scurrying around up to 3 feet under the snow, and their high jump to surprise and catch that animal — called &...

Minute Physics: What is Sea Level?

Sea Level! What is it and how do scientists calculate it? As it turns out, there are actually many complexities in determining this measurement. For example, Earth isn’t actually a sph...

Snow Facts Cheat Sheet

How is snow made? What temperatures make different kinds of snow? And can two snowflakes look exactly alike? The Science Channel has a quick Snow Facts Cheat Sheet video for questions just like this. There are more ...

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...

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