You may use the material in this web site for any purpose, including commercial, provided you give prominent attribution to Gaia's Wasp, and link to this web site.
The exception is the posters in the Gallery. You may sell the posters, or reproduce them, but you may not alter them.
Hidden Math Chapter Headers
My thanks to the following, who contributed images good enough to use as Hidden Math chapter headers. These photographers have not endorsed or approved Gaia's Wasp. Some images have been modified.
Francis Mac Donald (Morguefile user cbcs) - Kinetic energy
Morguefile user FlyingPete - Fuel
Morguefile user PublicEpicness - Deceleration
Morguefile user matei - Power
Jarg Roth (Pixabay user jaguarE) - Exhaust
John Anderson (Morguefile user johnanderson) - Bright
Morguefile user DuBoix - Protons
Kenn W. Kiser (Morguefile user click) - Gate charge
Pixabay user LoggaWiggler - Geometry
Pixabay user tedrafranklin - Heat
Simon Steinberger (Pixabay user simon) - Accretion
David Mark (Pixabay user tpsdave) - Thrust, drag
Brigitte Werner (Pixabay user werner22brigitte) - Mass
Nina Maiores (Pixabay user Nina-81) - Distance
Ryan McGuire (Pixabay user RyanMcGuire)- Stupid
Marco Massimo (Pixabay user marmax) - About those fuel rods...
Hans Braxmeier (Pixabay user Hans) - Efficiency
Pixabay user PublicDomainPictures - Erosion
Pixabay user farioff - Coriolis
Pixabay user wikiimages - Sand
Ben Nelan (Pixabay user benaball) - Aperture
Pixabay user ejaugsburg - Freeze
Pixabay user xuuxuu - Small boats
Pixabay user Skeeze - Attack