SciShow
The Two-Faced Role of Planetary Magnetic Fields
Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a...
SciShow
The Bacteria That Make Perfect, Tiny Magnets
Learn how magnetic bacteria work, and how scientists think they can help technology in the future!
TED Talks
TED: How a blind astronomer found a way to hear the stars | Wanda Diaz Merced
Wanda Diaz Merced studies the light emitted by gamma-ray bursts, the most energetic events in the universe. When she lost her sight and was left without a way to do her science, she had a revelatory insight: the light curves she could no...
SciShow
Diamagnetism: How to Levitate a Frog
You might associate levitation with magic, but science has its own version.
SciShow
Magnificent Magnetic Fields | Compilation
Magnetic fields fill our universe, but here at home we have a very special one that nature uses in a myriad of ways. And further away, other magnetic fields give us fascinating glimpses into the nature of the universe!
SciShow
How Other-Worldly Auroras Help Us Explore the Galaxy
Earth’s northern and southern lights are some of the most magical sights on our planet. But they’re not unique to Earth, and aside from being beautiful, auroras can also give us unusual insights into these other worlds.
SciShow
Electromagnetism - Magnetic Force: The Four Fundamental Forces of Physics #4b
In this final segment on the four fundamental forces of physics, Hank tackles the magnetic force, the second of the two ways in which electromagnetism is apparent in the universe
Bozeman Science
Magnetic Dipole Moment
The magnetic dipole moment is the torque experienced by a material placed in a magnetic field. The magnetic dipole is an intrinsic property at the magnet, domain, atom, and electron level. A magnetic dipole creates magnetic fields that...
Bozeman Science
Electric Field of a Dipole
In this video Paul Andersen explains how vector addition can be used to determine the electric field of a dipole.
Crash Course
Ampère's Law: Crash Course Physics
Hans Christian Oersted had just discovered the connection between electricity and magnetism. Meanwhile, a French physicist named André-Marie Ampère was experimenting with some wires, trying to learn more about the connection between...
SciShow
How Cosmic Rays Make Astronauts See Stars
Some astronauts have reported the same specific symptoms: they see mysterious flashes of light out of the corner of their eyes. What causes those bizarre phenomena, and how does it affect astronauts?
Bozeman Science
Magnetic Domains
In this video Paul Andersen explains how magnetic domains act as tiny magnets within ferromagnetic material.
SciShow
What Do You Learn When You Touch the Sun?
Though our Sun is something we can count on to rise and set each day, it also comes with some phenomena that can catch us by surprise: solar winds. To better predict when these winds will travel all the way to Earth, we sent the Parker...
SciShow
What Makes Earth’s Magnetic Field Change Direction?
You might have heard that Earth is due for a complete flip of its magnetic field. And while our planet does have a history of this behavior, predictions of when it might happen are too complex to estimate a date for.
Crash Course
How Power Gets to Your Home: Crash Course Physics
In this episode of Crash Course Physics, Shini talks to us about how power gets to our homes. It's kind of amazing when you think about it and much more complicated than it may seem!
Bozeman Science
Vector Field
In this video Paul Andersen explains how a vector field shows the distribution of vector quantities. In AP Physics 1 student should be able to map and understand gravitational vector fields. In AP Physics 2 students should be able to map...
SciShow
The How, Why, and How Much of Oil
Everyone does it -- using oil, that is. But how much do we have left? How do scientists find it? And where are they looking for it now that the easiest pickings have been taken? Hank has the answers to the how, why and how much of oil....
SciShow
How Michael Faraday Changed the World with a Magnet | Great Minds
From a blacksmith's son, to one of the most repeated names in physics textbooks, Michael Faraday epitomized the spirit of scientific exploration
SciShow
How Radio Waves Could Help Clear the Way to Space
There is an invisible shell of radiation surrounding our planet that can wipe out satellites and could endanger future explorers. One possible solution to this problem? Good, old-fashioned radio waves.
Bozeman Science
Magnetic Field of a Dipole
In this video Paul Andersen explains how current moving through a loop of wire can act as an analog for a magnetic dipole. Magnetic dipoles (like compass needles) respond to magnetic fields created by other magnets.
SciShow
Why Does the Earth's Magnetic Field Keep Flipping?
The geographic north pole doesn't always line up with the magnetic north pole, but what do scientists know about this flipping field?