National Institute of Standards and Technology
Operating Principles of the NIST 4 Watt Balance Source
The watt balance lets researchers determine the mass of an object indirectly by determining two quantities: the strength of the magnetic field, and the current running through a coil of wire.
Visual Learning Systems
What Are Magnets?: Magnetic Fields
Magnets are unusual and fun tools that serve many useful purposes. This colorful, action-packed program emphasizes the characteristics and behavior of magnets. Special emphasis is also given to electromagnets and the importance of...
Professor Dave Explains
Geophysicist Jon Aurnou (Get to Know a Scientist!)
UCLA is full of amazing scientists! What do they all do? Well, pretty much everything you can imagine, but in this series we will meet as many of them as we can, one by one! Let's start with geophysicist Jon Aurnou. He studies fluid...
ProEdify
Understanding Non-Contact Forces: Gravity, Electricity, and Magnetism
This video provides an overview of non-contact forces, such as gravitational, electric, and magnetic forces, explaining how they act at a distance without physical contact between objects. It covers the concepts of force magnitude,...
NASA
Gravity Assist: A New Set of X-Ray Eyes is Launching, with Martin Weisskopf
NASA is about to launch a new spacecraft to look at the universe in X-ray light. The Imaging X-Ray Polarimetry Explorer, IXPE, will look at extreme objects such as black holes, neutron stars, and supernovae, asking fundamental questions...
Visual Learning Systems
Generating Electricity from Magnetism
In this video, we learn about electromagnetic induction, which is the process of producing electric current from a changing magnetic field. This process is crucial in the development of electric generators and has revolutionized the way...
Astrum
What has NASA's Juno discovered around Jupiter so far? (3 year update)
It's been three years since NASA's Juno spacecraft arrived at Jupiter. But what has it seen and discovered? We will examine Jupiter's magnetic field, core, bands, aurora, atmosphere, storms and clouds.
NASA
NASA in Silicon Valley: Marianne Sowa and Jack Miller Discuss Radiation Science Using GeneLab
A conversation with and Marianne Sowa, branch chief of the Space Biosciences Research branch at NASA's Ames Research Center in Silicon Valley, and Jack Miller, Lawrence Berkeley Laboratory, about radiation science using GeneLab.
Visual Learning Systems
Magnetism: Earth's Magnetic Field
This video explores the force of magnetism and how it affects our everyday lives. The atomic nature of magnetism is illustrated, and then applied in principle to common magnets. The video highlights how magnetic fields are created, and...
Professor Dave Explains
The Development of Plate Tectonics
A paradigm shift in geology occurred with the development of plate tectonics, a theory which allows us to understand so much regarding what we see and experience on Earth's surface. How did this come to be? Who is Alfred Wegener? Who is...
Visual Learning Systems
Exploring Earth's Magnetic Field
In this video, we explore the fascinating world of compasses and the Earth's magnetic field. We learn how a compass works, pointing us in the direction of the Earth's magnetic north. This video is part of the 11-part series, Earth, Sun,...
Mazz Media
Electricity
Electricity makes our lives easier every day. We use electricity in our work and play. Because electricity is virtually unseen, it is often difficult to understand just where it comes from and how it works. By watching the video and...
Next Animation Studio
Scientists create device invisible to magnetic fields
Researchers in Barcelona and Slovakia have created a cylinder which is invisible to magnetic fields with potential military and medical applications. Placed inside a magnetic field the device has no effect on the field lines, showing...
Next Animation Studio
Study identifies how pigeons navigate using magnetic fields
Scientists have moved one step further to decoding the secret behind the superior navigation skills of pigeons. A new study by scientists at Baylor College of Medicine published in Nature found neurons in the pigeon's brains react to...
NASA
Gravity Assist: When the Moon Was Like a Magnet, with Sonia Tikoo
From lunar samples brought back in the Apollo program, scientists have figured out that the Moon once had a shield around it called a magnetosphere, just like the Earth has today. As NASA prepares to send humans to the Moon, and...
Astrum
How big can planetary systems get?
How big do you think our solar system is? Up until Pluto? A bit beyond? How big can other solar systems get?
Physics Girl
This result could change physics forever
Explaining the exciting new Fermilab muon result to my production team
Curated Video
How Microphones and Speakers Work: Electromagnetic Induction and Motor Effects
This video explains how microphones and speakers work by using electromagnetic induction and motor effects, respectively. The video goes on to describe the inner workings of a microphone, which includes a conducting coil attached to a...
Astrum
What did NASA's Cassini hear around Saturn?
The sounds of Saturn, or rather the radio and plasma waves that Cassini picked up in Saturn's orbit.
NASA
NASA's Curious Universe: Seasons of the Sun
As Earth makes its annual trip around the Sun, we feel the impacts of its journey in the form of seasons. Our planet’s tilt in relation to the Sun determines what season we experience here on Earth. But, did you know that the Sun goes...
TMW Media
Virtual Archaeology: Learn how tools are used to collect the data
How are these tools used without digging into the ground? How is the data used to make 3D models? Virtual Archaeology, Part 2
Visual Learning Systems
Magnets and Electromagnetism: Magnetic Forces and Fields
Upon viewing the Magnets and Electromagnets video series, students will be able to do the following: Define a magnet as a material that attracts iron and materials containing iron. Explain that magnets have a north pole and a south pole...
NASA
NASA in Silicon Valley: NASA in Silicon Valley Live - Exploring Space with the World’s Largest Flying Telescope
In this episode streamed on Dec. 6, 2018, we talk about SOFIA, the world's largest flying telescope, and the history of airborne astronomy.
NASA
Gravity Assist: Jupiter with Jared Espley
As large as 1,000 Earths, Jupiter is the heavy hitter of the solar system. Even its Great Red Spot is larger than Earth, yet it’s shrinking! In this episode of Gravity Assist, Planetary Science Director Jim Green talks with Jared Espley...