Press Association
Keir Starmer and Rachel Reeves visit Octopus Energy in Slough
Labour party leader Sir Keir Starmer and Rachel Reeves, shadow chancellor of the Exchequer, make a visit to renewable energy company, Octopus Energy, in Slough, East Berkshire, as the Party sets out plans to support households and...
AFP News Agency
CLEAN : In Toulouse, Airbus presents its flying taxi planned for 2023
Airbus Summit unveils the 'flying taxi', also known as a giant drone, which can carry up to four passengers and travel up to eighty kilometres at a speed of one hundred and twenty kilometres per hour (Footage by AFPTV via Getty Images)
Curated Video
Modular accessories give smartphones super powers
LEADIN:
Forget that standard, square-shaped smartphone: at Mobile World Congress in Spain, modular attachments are giving smartphones super capabilities.
But it's not always about being better. One company is...
Khan Academy
Khan Academy: Chemistry: Galvanic Cells
This video investigates how a galvanic cell works and its parts. Understand how aqueous copper transforms to solid copper and solid zinc transforms to aqueous zinc by moving electrons. Once the electrons move a galvanic cells harvest the...
Khan Academy
Khan Academy: Introduction to Circuits and Ohm's Law
Learn the basics of circuits with this video. Video will define current and resistance to explain how electrons flow to create electricity. [11:39]
University of Virginia
Uva Virtual Lab: Two Battery Cells
How does the voltage work when two batteries are put together? Find out in these brief video clips.
University of Virginia
Uva Virtual Lab: Three Battery Cells
What voltage occurs when three similarly charged batteries connect? Check out the four brief video clips illustrating the process.
University of Virginia
Uva Virtual Lab: Battery Water Wheels in Series
This source describes a water flow analogy of two batteries in series as a two-stage gerbil powered waterwheel. Check out the video clips.
University of Virginia
Uva Virtual Lab: Battery Water Wheel Analogy
Gain understanding of how the charge works in a battery with the illustration of a gerbil.
National Science Foundation
National Science Foundation: Innovation Nation: Tiny Batteries
Researchers at Princeton University have developed a technique to transfer microscopic materials by blasting them from one place to another with a laser. The tiny patterns they make help pack more into electronic screens. See how it...
Khan Academy
Khan Academy: The Battery & Electromagnetism
Watch the experiment in this video to learn information about electromagnetism.
Crash Course
Crash Course Physics #29: Dc Resistors and Batteries
Batteries power much of your daily life. In this video episode of Crash Course Physics, 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...
Khan Academy
Khan Academy: Bit Zee Bot: 13. Why Does Bit Zee Need a Motor Controller?
This video outlines in simple terms why a motor controller is needed and what it does. [5:29]
Khan Academy
Khan Academy: Batteries: Electrode (Distance Test)
Does the distance between the copper and zinc electrodes matter? What happens to the deflection when we hold them close vs. far apart? Why is there a difference? Watch this video lecture to find out. [1:06]
Khan Academy
Khan Academy: Physics: The Invention of the Battery
Learn about the invention of the battery from a recreation of Alessandro Volta and Luigi Galvani journey. [8:29]
Khan Academy
Khan Academy: Batteries: Standard Cell
Video lecture shows testing out a cell which holds the metals at a constant distance. We add it to salt water and then check the deflection. Can this be used as a standard unit? [1:09]
Khan Academy
Khan Academy: Solderless Spout Bot: Spout 4
Sal continues working on the battery operated beetle bot, "Spout." [6:16]
Khan Academy
Khan Academy: Batteries: Battery Meter (Galvanometer)
Simple device which we can use to measure our homemade batteries. You can test it with any household battery first. What does this deflection represent? What forces are involved? [0:50]
Khan Academy
Khan Academy: Batteries: Electrode (Surface Area Test)
What's the difference between one piece of metal and three pieces of metal in our cell. Does deflection change? Why? [1:07]
Crash Course
Crash Course History of Science #27: Electricity
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, Ohm, Ampere, Volta, and a few others really changed the...
University of Virginia
Uva Virtual Lab: One Battery Cell
What is the process that provides voltage in a battery cell? Check out this virtual lab.
Khan Academy
Khan Academy: Benjamin Franklin the Inventor
In addition to his work as a politician and author, Benjamin Franklin was a significant scientist of his era. He is best known for his experiments with electricity, which proved that lightning was electricity that could be stored in a...
Khan Academy
Khan Academy: Spinning Compass
By pulsing the connection to the battery we can cause a compass to spin. Watch this video to figure out how this works. [0:47]
Khan Academy
Khan Academy: Zinc Copper Cell (Reduction Oxidation)
This demonstration shows an example of reduction-oxidation reaction. [1:04]