Crash Course
Electricity: Crash Course History of Science
The study of electricity goes all the way back to antiquity. But, by the time electricity started to become more well known, a few familiar names started to appear. Edison, Galvani, and a few others really changed the way the world worked.
Bozeman Science
Kirchoff's Loop Rule
In this video Paul Andersen explains how Kirchoff's Loop Rule can be used to calculate the voltage of different components of a circuit. The sum voltage throughout an entire loop will sum to zero following the law of conservation of...
Bozeman Science
Voltage, Current and Resistance
Mr. Andersen describes the relationship between voltage, current and resistance in an electric circuit. Ohm's Law is introduced through a circuit simulation.
TED Talks
John La Grou: A plug for smart power outlets
John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to...
Bozeman Science
Homeostatic Evolution
Paul Andersen shows how homeostasis reflects of evolution through time. The endocrine system shows continuity through flatworms, earthworms and vertebrates. However the respiratory system shows change as organisms move onto land. The...
MinutePhysics
MAGNETS - How Do They Work
How do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
Bozeman Science
Electric Circuits
In this video Paul Andersen explains how electric circuits contain different elements which can be connected in series or in parallel. The following four elements are explained in detail; emf, resistor, capacitor, and switch. The voltage...
Curated Video
Voltage and Resistance
2 minute video describing voltage, current and resistance for middle school science
Curated Video
Flow of Charge
2 min video describing the flow of electricity for middle school science
Curated Video
The AMOC Might Be Way More Unstable Than We Thought...Here's Why
There is a mysterious cold blob in the North Atlantic that could be a warning sign that the largest heat transfer system on the planet, the AMOC, is on the brink of collapse. But it turns out that the AMOC’s collapse is a highly debated...
Curated Video
What Is Electricity and How Does It Work? AC vs. DC Explained
Tesla imagined impossible technologies more than a hundred years ago. He and Thomas Edison have arguably had more of an impact on modern technology than any other scientists. Tesla’s biggest contribution may be his innovations in...
Curated Video
How to Choose People to Write Job Recommendations for You
Howcast - Beat out your competition with job recommendations written by credible references who know you, know your work, and are willing to sing your praises.
Curated Video
What Is an Arc Welding Machine?
Howcast - Learn all about arc welding machines from sculptor DeWitt Godfrey in this Howcast video.
Curated Video
How to Hire a Contractor
If you want to have a positive remodeling experience, do some basic research to ensure you hire a trustworthy, competent contractor.
Curated Video
How to Calculate Watts
The amount of power drawn by a household appliance is given in watts. Here's how to calculate wattage.
Curated Video
Comparing series and parallel circuits
Pupil outcome: I can compare the properties of series and parallel circuits that have the same components. Key learning points: - With the same battery, two bulbs in parallel are brighter than two in series. - With the same battery,...
Curated Video
A simple trick to find Thevenin's Resistance!
In this video, we understand how to find Thevenin's Resistance using a simple trick that always works! Thevenin's Equivalent Circuit Made Easy! Basic Electronic Circuit Analysis!
Curated Video
Operational Amplifier Inverting Configuration, Op-Amp Circuits, Inverting Amplifier, Electronics 101
Learn the basics of how an Operational Amplifier can be connected in the Inverting Amplifier Configuration. Review the Golden Rules of Op-Amp Circuit Analysis. Op-Amp circuits Electronics 101
Curated Video
Series Parallel Circuits: Simplified Analysis!
Learn how to simply analyze Series and Parallel Circuits.
Curated Video
Internal Resistance of a Battery and Efficiency
In this question, we look at the impact of the internal resistance of a battery on the overall efficiency of the circuit. This is something that is often overlooked. See how much of an impact it has!
Curated Video
Electronics 101: KVL and KCL
In this question, we will look at how we can apply KVL and KCL to solve for the unknown voltages and currents.
Curated Video
Electronics 101: Apply KCL and KVL the right way!
Learn how to apply the concepts of KVL and KCL to solve this question.