The Sonic Boom

Week Three: Ninth Anniversary Fund-Raising Drive for Behind the Black

It is now the third week in my annual anniversary fund-raising campaign for Behind the Black.

Please consider donating. I am trying to avoid advertising on this website, but will be forced to add it if I do not get enough support from my readers. You can give a one-time contribution, from $5 to $100, or a regular subscription for as little as $2 per month. Your support will be deeply appreciated, and will allow me to continue to report on science and culture freely.

Regular readers can support Behind The Black with a contribution via paypal:

Or with a subscription with regular donations from your Paypal or credit card account:


If Paypal doesn't work for you, you can support Behind The Black directly by sending your donation by check, payable to Robert Zimmerman, to
Behind The Black
c/o Robert Zimmerman
P.O.Box 1262
Cortaro, AZ 85652

An evening pause:


One comment

  • wade

    i like This Robert, you are showing Many people what sonic booms are like. when i was a kid, there regular flights overhead of F 100s and F104s that resulted in Grandmothers pictures falling off the wall. Booms from seemingly No Where that shook the whole house and made the ground rumble. in these days, one sonic boom would cause a mass panic. it is Trulyn a different world today.

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