Words about so very tiny electrons properties that can magnetic the material properties. The memory is called spintronic. It is attracted to hard drives & RAM so, it can rewrite on how to store data.  It has similar effects to pre-white out typewriter liquid.  Computer scientists  are leaning & developing parameters to understand a framework of aplications in use.  Scaning material to as low electronic microscopy levels.

Some of the puzzles that people list for the public get indexed by the search engines (like Google). Some people find those puzzles and cannot figure out how to make a puzzle of their own. So this page now has the navigation sidebar.

There are now buttons on the puzzle so that you can get a clean page, in either HTML or PDF, that you can use your browser's print button to print. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!