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My two artworks, ‘Doomsday Sign‘ and ‘Alternate Earth Shapes‘, currently showing at the ‘Art for Earth’s Sake’ exhibition at Knox Church.Exhibition Dates: 6 to 13 October, 2019.

“ART, FOR EARTH’S SAKE!! COOL ART FOR A COOL CLIMATE
Express your anger, outrage, lament, loss, hope. Create a call to action. A vision of Climate Justice. Be inspired by nature, geo-political events, news articles, local or global issues, by ancient stories of faith and courage – whatever sparks you! Use any medium to create your vision of the future in an era of climate change. Use recycled or upcycled materials if you can.“

More @ webcomicname.com

A Javascript drawing app, based on the classic Spirograph toy, where you can add multiple spinning circles (rotors). Spirograph n…

http://seedcode.com/SpirographN/sgn.html?pre=true%20love

http://seedcode.com/SpirographN/sgn.html?pre=habitrail

120. Each jaw is attached to one of the two segments, one of which has teeth outside and the other teeth inside. On turning the shaft carrying the two pinions, one of which gears with one and the other with the other segment, the jaws are brought together with great force.

Follow the links for animated versions…

EMBRACING

ALL THOSE WHICH ARE MOST IMPORTANT IN

DYNAMICS, HYDRAULICS, HYDROSTATICS, PNEUMATICS, STEAM ENGINES, MILL AND OTHER GEARING, PRESSES, HOROLOGY, AND MISCELLANEOUS MACHINERY;

AND INCLUDING

MANY MOVEMENTS NEVER BEFORE PUBLISHED

AND

SEVERAL WHICH HAVE ONLY RECENTLY COME INTO USE.

BY

HENRY T. BROWN.

1868

114. Uniform circular motion into reciprocating rectilinear motion, by means of mutilated pinion, which drives alternately the top and bottom rack.