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This is a description of how to measure the speed of sound of a material using only earphones and a computer without a Lucchi meter.

This is a short video introducing a program that calculates the required content of each ingredient based on the ratio of the varnish recipe

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This is a short introductory video about designing a violin using a clothoid curve.

This is a short introductory video about the accelerated drying experiment of linseed oil.