The Latest

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New & Updated Learning Materials

Making Everything Better

July 2023 Our videos now feature subtitles, available in English y en Español. ¡Que aproveche!

May 2023 We just finished updating all 692 learning materials to make them more reliable for people with slow internet. If you ever spot any issues with our website, or have any ideas for cool features you'd like us to add, send them to

January 2023 We've re-organized the Machinery topic with better accessibility on small screens in mind. Much of the content that used to be there can now be found under the new Stationary or Mobile topics.

December 2022 In our Live Schematics, we've always used a red color to indicate an active solenoid. We're changing this to a purple color, so be on the lookout for that. Why make the change? Purple is the color we use to indicate a magnetic field, so it makes sense to use this color for an active solenoid.

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