Electricity

Science

How Electricity Actually Works

Veritasium conducts an experiment to see how electricity actually flows.

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Interesting Security

How did the Enigma Machine work?

This video uses 3D animation to go inside the legendary Enigma Machine, which encrypted German military secrets during World War II. Time stamps: 1:01-Encryption 2:42-Engima Machine 4:23-Simple Circuit Example 5:23-Inside the Machine 6:15-Rotors 8:51-Plugboard 10:08-Keyboard Mechanism 12:14-The Circuit 13:15-Circuit Recap 14:38-Rotor Mechanism 17:06-Machine Settings 18:14-Brilliant

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Science

Inside The World’s Largest Nuclear Fusion Reactor

In an otherwise unremarkable-looking cluster of industrial buildings somewhere in the southeast of France, a team of engineers is attempting to tackle one of science’s most intractable problems – how to summon the power of a star. If they pull it off, they’ll solve mankind’s greatest existential problems in one stroke.

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Hardware

The US Electrical System is Not 120V

Technology Connections explains that the US electrical system is more than 120V, despite what you may have heard. As for me, I rather enjoy central air.

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Science Solar

World’s Largest Batteries

Practical Engineering explores a scalable (and unexpected) means of mass energy storage. Electricity faces a fundamental problem that comes with pretty much any product that’s provided on-demand: our ability to generate large amounts of it doesn’t match up that closely with when we need it. The storage of electricity for later use, especially on a […]

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Hardware

BBC Click Explores Battery Technology

Technology show BBC Click looks at all things battery: from how to keep your smartphone charged to the mountain storing energy in lakes.

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