Seeing the bulk: a primer on dimensionality reduction

If you haven’t seen Interstellar, you might not get the reference in the title. Don’t sweat it, the bulk beings are some advanced civilization that is able to move outside the familiar 3D

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Make a computer-controlled light switch with a Raspberry Pi

To build a computer-controlled light switch, you will need: Raspberry Pi ($35) Adafruit Powerswitch Tail 2 ($25) The powerswitch tail looks like an extension cord with some holes in it to wire it in

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Extract array of frames from mp4 using Python OpenCV bindings

OpenCV is a mature Computer Vision library written in C++. There are python bindings available that make working with the library very convenient. To extract the frames from an mp4 file using the Pyth

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