Let's stop contamination and standardize renewable energy. Let's make a clean and safe world for our sons. Great fo..…
red education science thumbtack office temperature effect energy work physics heat solar hash greenhouse infra-red ..…
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An Inkscape SVG Outline Bitmap Trace of Leonardo da Vinci famous self-portrait from the public domain image found a..…
Planet Pluto Bitmap Trace. This is the 90 degree face as taken by the Hubble Telescope. The Gimp was used to clean ..…
A solar disc with an Aztec kind of effect. Used for the Sun and Moon Drawing, but can be adapted for other uses. An..…