Using common materials (laser pointers, polarizing filters, and calcite), anyone can reproduce this experiment at home. If this sparks curiosity, explore Hackaday’s archives for quantum mechanics.

For precision, speed, and fine-detail, only the best laser engraver will make the cut. I tested out a range of laser engraving machines, and these are my top-rated recommendations for crafters ...

And you don’t need to be a professional chef to benefit from using a cutting board in the correct size and material to suit the task, be that wood, bamboo, plastic, rubber or marble.

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