Home » Uncategorized » A few specific things you can do today to help solve the Worldwide Hum

A few specific things you can do today to help solve the Worldwide Hum

Follow World Hum Map and Database Project on WordPress.com
Follow World Hum Map and Database Project on WordPress.com
  1. Conduct historical research at a site such as http://gdc.galegroup.com/gdc/artemis/?p=GDCS&u=bcptstothepast and look for historical evidence of the Hum. You may need to get creative in your search terms. Keep track of what you find out.
  2. Write a letter to the editor of your local paper, explaining what the Hum is, what our project does, and what we are doing. Ask for local hearers to come forward.
  3. Write to any of the following people and get them emotionally involved in the scientific mystery: a research audiologist (like Dr. Alec Salt), a radio physicist or engineer, a seismic geologist, an ear-nose-throat specialist, and so on. Explain our project. Refer them to me at glen.macpherson@gmail.com.
  4. Borrow a sensitive infrasound microphone and take nighttime recordings in your home. Send me the mp3 file.

I welcome other ideas that are accessible to non-specialists.


  1. Charlie says:

    Perhaps other ideas could include descent into a cave/ mine, OAE detection, the effects of long distance travel or Robert Mitchel’s idea that frequency might vary with location (distance from the source perhaps). The last could be easy to do.

    I get what you mean regarding the Little Red Hen effect. And I have guilt tripped myself into making an effort with either the OAE or infrasound detection. I looked at infrasound mics, it looks do-able. There are DIY options for making infrasound mics using certain regular mic/transducers, eg. https://sites.google.com/site/appliedbiophysicsresearch/sound/infrasound/infrasound-microphone.

  2. Charlie says:

    Another possibility might be organising a few people to record any changes that they notice in the Hum (eg.increases in loudness) over the same time period. Then we could all compare notes.

    Perhaps even an hour would be long enough. At least it would be for me, I have often noticed several changes in that space of time, and judging from what I have read here I think others may have as well.

  3. […] have given specific advice on what needs to be done, but nobody has done it. You can read about it here, here, here, and here. And there are […]

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