SciShow
How Space Shuttle Discovery got its Solar-powered Wings
If you want to get into space, you need combustible fuel. But if you want to stay operational in space, you need to harness the power of the sun itself.
TED Talks
T. Boone Pickens: Let's transform energy -- with natural gas
The US consumes 25% of the world's oil -- but as energy tycoon T. Boone Pickens points out onstage, the country has no energy policy to prepare for the inevitable. Is alternative energy our bridge to an oil-free future? After losing $150...
SciShow
Why Is There a Magnet Inside My Dog?
Pet trackers, and lots of other electronics, have little cylinders inside them called ferrite beads. If they didn't, they'd probably be picking up the local traffic report instead.
Bozeman Science
Total Energy
In this video Paul Andersen explains how the total energy of a system is the combination of kinetic, potential and internal energy of the objects. He then shows you how to calculate the kinetic energy, gravitational potential energy, and...
Be Smart
There's No Such Thing As Cold
You've felt cold before. Sometimes it's cold outside. But what if I told you that "cold" isn't real? There's no substance or quantity called "cold" in science. We can't measure the amount of "cold" in something. Instead it's about what's...
SciShow
We're Heading to the Sun! SciShow News
On Aug. 12, 2018 the Parker Solar Probe started its journey to the sun and New Horizons is looking at a mysterious glow at the edge of the solar system.
MinutePhysics
How the Sun works - Fusion and Quantum Tunneling
In this episode, we learn about how the sun can burn for billions of years without running out of fuel.
TED Talks
TED: The thrilling potential for off-grid solar energy | Amar Inamdar
There's an energy revolution happening in villages and towns across Africa -- off-grid solar energy is becoming a viable alternative to traditional electricity systems. In a bold talk about a true leapfrog moment, Amar Inamdar introduces...
Bozeman Science
Free Energy and the Equilibrium Constant
In this video Paul Andersen explains how thermodynamic and equilibrium reasoning can be related through changes in free energy and the equilibrium constant. When the delta G is negative the reaction shifts to the right or favors...
SciShow
Faster Than Light Facts, Horny Little Man, and Worst Science Movie Winner!
Hank gets to the bottom of this "faster-than-the-speed-of-light-neutrino" kerfuffle, discusses some ancient stuff, and announces the winner of the award for worst science in a film
Crash Course
Work, Energy, and Power: Crash Course Physics
When you hear the word, "Work," what is the first thing you think of? Maybe sitting at a desk? Maybe plowing a field? Maybe working out? Work is a word that has a little bit of a different meaning in Physics and today, Shini is going to...
SciShow
Dark Energy
The universe is huge and getting bigger all the time, and we have we have dark energy - the most mysterious force in the universe - to blame/thank for it. Thought to make up more than 70% of the energy in the whole universe, Hank...
Bozeman Science
Thinking in Energy - Level 6 - Conservation of Energy
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the conservation of energy. Two examples are included in the video and two additional examples are included in the linked thinking slides. TERMS Energy - the...
MinutePhysics
How To Stop Structures from SHAKING: LEGO Saturn V Tuned Mass Damper
This video is about Tuned Mass Dampers, which can be used to reduce or avoid unwanted vibrations, swaying, swinging, bending, etc on engineered structures ranging from buildings, skyscrapers, electricity power transmission lines,...
SciShow
Why Can't Kids Just Take Smaller Doses of Adult Meds?
You might have noticed that lots of drugs have special children’s formulas, and you might think that’s because smaller people need smaller doses. But you’d be wrong! Because kids aren’t just tiny adults.
MinutePhysics
The Physics of Caramel: How To Make a Caramelized Sugar Cube
This video is about how the physics and chemistry of sugar (in particular, how it melts, and how it caramelizes) is more complicated than you might think. It involves fructose, sucrose, glucose, and a sticky mess.
Credits:
Gallium...
SciShow
Space Hype!
Sometimes science news is less about stuff that actually happened, as much as it is about people going "PAY ATTENTION TO ME" and space news is no exception. In fact this week there was probably as much hype as real news, all in the name...
MinuteEarth
The Energy Use of a YouTube Video
FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started: Data - information, typically stored on computers via electrical signals Electrons...
Bozeman Science
Hydroelectric Power
In this video Paul Andersen explains how energy can be harnessed was water moves through a turbine. Three types of systems are discussed in the video; run-of-the-water, impoundment, and tidal. Several advantages and disadvantages of dams...
SciShow
The Key to Finding Life Elsewhere in the Universe: Purple Planets?!?
Some scientists believe that 3.6 billion years ago Earth might have been purple, and that theory is giving us some clues in our search for life in the universe.
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
5 Weird Things That Can Catch Fire
Fire: it's beautiful, it's dangerous, and it shows up in surprising places. Here are five weird things you might have on hand that can go up in flames. Chapters 0:00 0:05 0:11 0:17 0:23 0:29
Bozeman Science
Thinking in Matter & Energy - Level 5 - Cycles and Flows
In this video Paul Andersen shows conceptual thinking in a mini-lesson on cycles and flows in matter and energy. Two examples are included in the video and two additional examples are included in the linked thinking slides. TERMS Cycling...
SciShow
What We’re Learning from the Brightest Supernova Ever Seen - SciShow News
It’s been a great week for space explosions! Astronomers learned more about the mechanism that causes novas by looking at the nova V906 Carinae, and the brightest supernova ever recorded shed some new light on pulsation pair-instability.