Mark-World - Tech Projects To Amuse The Curious
Web Sites Of My Other Endeavours In Other Fields are below:
Astrophotography - My pictures of the objects in our night sky with slideshow on main page
Mark Tunes - My origional songs written, performed, and produced by yours truely.
Mark Toys.com - Robots, Software And assorted technical home-made projects
Mark-Pics.com - Daytime photography of the great outdoors
Thingiverse.com - 3D Printing design files I share with the world as user mjstn2011
I also hold a Ham Radio Amateur Extra Class License with call sign AF6DW
Email can be sent to: mark <atsign> mark-world <dotter> com
If you wish to do so, 'gratuities' of even tiny amounts may be posted if you are setup to use bitcoin address 1yKJcrkLE7RmsLmZPL3ku5PpazGzNmDSS or Ethereum address 0xbCCEf017Ff00215496A768fb0238893Edf7584B0. No worries or expectations, key thing is you find the site useful!
Keep On Techin! Mark