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  • Turn Heat Into Noise - Make a 90dB Rijke Tube

    I watched in Discovery Channel some time ago a blanket or cloth that the inventor claimed to reduce noise by converting sound waves into heat. This fabric was extremely efficient because it was able, for example, to attenuate incredibly the sound of a train horn, known as one of the noisiest equipment produced by man. I can not locate this video or something that refers to this subject. Does anyone have a clue?

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  • Panel Meter Weather Station With Photon

    Nice job. I imagine it would be possible to use servos to move the display needles like old wall barometers.And by storing the parameter values every 15 minutes you could clearly see the variations in the last 6, 12 or 24 hours for example at the push of a button.

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  • bybecker commented on Philmnut's instructable My Fathers Barometer1 year ago
    My Fathers Barometer

    Beautiful work. I keep imagining putting a servo to trigger the atmospheric pressure pointer, for example, giving more realism and precision.And by storing the parameter values every 15 minutes you could clearly see the pressure variation in the last 6, 12 or 24 hours for example at the push of a button.What do you think?

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