Covid Pandemic Maker

Building a TRUE 4k Home Cinema Projector

DIY Perks shows you how to build a 4K home projector to bring that movie theater experience home, as it could be a while before regular cinemas open. As a bonus, there’s a great description of the science behind projection.

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Python Sudoku Solver

Professor Thorsten Altenkirch demonstrates a recursive Sudoku solver.  

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