Bozeman Science
Scalar Field
In this video Paul Andersen explains how scalar fields can be used to show the distribution of scalar quantities. The most important scalar fields in AP Physics 2 deal with electric potential. Scalar addition can be used to combine...
SciShow
That Time Apollo 16 Astronauts Got the Farts
Even with scientifically controlled diets, astronauts can't yet safely prevent gas in space. What gives them gas, and why are they still eating it?
Be Smart
Musical Tesla Coils in Slow Motion! Featuring Physics Girl
The future of music is electric.
SciShow
The Shocking Truth About Electric Animals!
Learn more about electric animals with Hank Green.
Crash Course
Why It's So Hard To Make Better Batteries: Crash Course Engineering #32
There are batteries powering so many parts of our everyday lives, so today we’re going to talk about how they work and how we can make them better. We’ll explain how they provide power by discharging ions between a cathode and an anode,...
TED Talks
Paul McEuen and Marc Miskin: Tiny robots with giant potential
Take a trip down the microworld as roboticists Paul McEuen and Marc Miskin explain how they design and mass-produce microrobots the size of a single cell, powered by atomically thin legs -- and show how these machines could one day be...
Bozeman Science
Electric Field of Parallel Plates
In this video Paul Andersen explains how the electric field between oppositely and equally charged plates is uniform as long as you are far from the edge. The strength of the electric field can be determined by either the charge of the...
TED Talks
Christoph Keplinger: The artificial muscles that will power robots of the future
Robot brains are getting smarter and smarter, but their bodies are often still clunky and unwieldy. Mechanical engineer Christoph Keplinger is designing a new generation of soft, agile robot inspired by a masterpiece of evolution:...
SciShow
Electric Eels Bigger Than You Zap in PACKS
We’ve long thought that electric eels hunt individually…until we discovered a lake where one species hunt, and zap, in packs!
Crash Course
DC Resistors & Batteries: Crash Course Physics
Batteries power much of your daily life, so today we're going to talk about how they work. We're also explaining how terminal voltage results from the natural internal resistance of every real battery. We'll get into both series and...
SciShow
Dimmer Switches: Secretly Strobe Lights
Having the ability to dim your lights seems like a pretty simple thing, but modern dimmer switches work in a surprisingly cool way!
Bozeman Science
Average Value of the Electric Field
In this video Paul Andersen explains how the average value of the electric field can be determined by dividing the potential difference by the displacement. Equipotential lines can be used to determine the potential in an electric field...
SciShow
How Do Touchscreens Work?
Ever wonder how your finger can magically control your smartphone screen? We explain in this episode of SciShow.
SciShow
Is the Power Grid Ready for Green Energy?
Despite the rise of renewable energy, the backbone of the power grid is fossil fuels. Adapting the grid to green energy sources is more complicated than flipping a switch.
TED-Ed
TED-Ed: How to squeeze electricity out of crystals - Ashwini Bharathula
It might sound like science fiction, but if you press on a crystal of sugar, it will actually generate its own electricity. This simple crystal can act like a tiny power source because sugar happens to be piezoelectric. Ashwini...
Crash Course
Electric Current: Crash Course Physics
So, electric current works like a river... kinda... Instead of flowing based on elevation, electric current works a little differently. But it's a good metaphor. In this episode of Crash Course Physics, Shini talks to us about electric...
Bozeman Science
Elementary Charge
In this video Paul Andersen explains how electric charge is quantized and how the smallest unit of charge is 1.6x10^-19 C, or the elementary charge. Robert Millikan discovered the elementary charge using the oil drop experiment....
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!
TED-Ed
TED-ED: How transistors work - Gokul J. Krishnan
Modern computers are revolutionizing our lives, performing tasks unimaginable only decades ago. This was made possible by a long series of innovations, but there's one foundational invention that almost everything else relies upon: the...
SciShow
What Happens When You Get Electrocuted?
Most of the cases we call “electrocutions” are actually electric shocks: an electric current running through a body. Whether an electric shock becomes an electrocution depends on the nature of the current involved.
SciShow
Making Plants High-Tech With Artificial Neurons | SciShow News
Biology and technology grew closer together when scientists manufactured neurons that acted like those in a brain! And birds evolved to protect themselves in two ways: fight and flight.
Crash Course
Capacitors and Kirchhoff: Crash Course Physics
By now you know your way around a basic DC circuit. You’ve learned how to simplify circuits with resistors connected in series and parallel with a single battery source. But a lot of the real-world circuits that you encounter — and will...
Crash Course
Circuit Analysis: Crash Course Physics
How does Stranger Things fit in with Physics and, more specifically, circuit analysis? I'm glad you asked! In this episode of Crash Course Physics, Shini walks us through the differences between series and parallel circuits and how that...
SciShow
How to Make a Lemon Battery
Hank shows us another SciShow: Experiment! This time he's tackling what may be the most cliche, well-known and misunderstood experiment of all time: the lemon battery. The take home message in this one is: the electricity is NOT in the...