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Photo Credits

PYRADYNE® would like to thank all the photographers and illustrators whose work appears on this website.


—Photo by Artem Bali

Photo by Davide Cantelli

—Photo by Adam Evans

—Photo by Nick Fisher

Photo by Francisco Jesús Navarro Hernández 

—Photo by Leonardo Ramos

—Photo by Kristopher Roller

Photo by Rafael Romero

—Photo by Dave Sebele

Photo by Ivan Slade

—Photo by Kate Miheyeva

Photo by Arif Wahid

—Landon Wiggs - product photography -

 _____________________________ A color-composite image of the Pleiades from the Digitized Sky Survey.  The Pleiades, an open cluster consisting of approximately 3,000 stars at a distance of 400 light-years (120 parsecs) from Earth in the constellation of Taurus. It is also known as "The Seven Sisters", or the astronomical designations NGC 1432/35 and M45.Credit: NASA/ESA/AURA/Caltech.  NASA, ESA, AURA/Caltech, Palomar Observatory The science team consists of: D. Soderblom and E. Nelan (STScI), F. Benedict and B. Arthur (U. Texas), and B. Jones (Lick Obs.) -



File-Scalar Field.ogv - Wikimedia Commons.webloc



English: This video details the scalar field: 


where σ is increasing by a value of 1 over the course of the video. 

Date:  24 December 2012, 10:51:53 

Source: Own work 

Author: Quintus 

I, the copyright holder of this work, hereby publish it under the following license: 

This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. 

Many thanks to Quintus, the author of the above animation!


Illustration of Endocrine Glands —

This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
Great Seal of the United States (obverse).svg


Illustration of Hypothalamus — "Endocrine glands in the human head and neck and their hormones" —  This work has been released into the public domain by its author, LadyofHats. This applies worldwide. In some countries this may not be legally possible; if so:LadyofHats grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


Illustration of Hypothalamus  BruceBlaus. When using this image in external sources it can be cited as: staff (2014). "Medical gallery of Blausen Medical 2014". WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436. - Own work


Hydrogen Atom photos



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