Making a mini portable Chladni plate for under £4

A Chlandi plate is a very flat peice of metal that vibrates up and down at a high frequency, used for educational purposes to visually demonstrate standing waves and resonance. It is usually powered by a mechanical solenoid attached to the middle of the plate, and the vibrations cause standing wave…

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Making a custom USB-C powered nightlight

This blogpost will run through the process of idea to product, with all the design considerations and engineering techniques used to make this effective, efficient and robust with a minimal price tag. The idea started as a Christmas present for a friend, who liked the band ' Starset ', their l…

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EPQ Drone

The valveless pulsejet has a complet e lack of moving parts in its construction 1 . An obvious benefit to this is its rel iability , requiring almost no maintenance to operate 2 . They can also operate in extreme conditions , with cheap materials and even cheaper methods of construction 3 . These use cases ma…

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