Differential Gears Simplified

http://www.flixxy.com/how-your-cars-differential-gear-works-best-tutorial.htm

Electromagnetic Radiation Chart, circa 1944

Recently re-discovered at Lawrence Livermore Labs. How cool is this:

http://www.popsci.com/science/article/2013-08/let-chart-1944-teach-you-about-electromagnetic-radiation

More Titanium Printing

Check this out. Elon does it again.

http://youtu.be/xNqs_S-zEBY

Lego CNC?

Check this out:

http://www.youtube.com/watch?feature=player_embedded&v=pX1cO2XhMrg#action=share

CNC for carpenters

As some of you know, my father had a couple of careers. Depending on the current economic cycle, he was either a carpenter or a gifted fabricator of aircraft skins. The transition came several times in my life, usually on a Friday afternoon when he would get laid off. During his carpenter life he was a framer and swung a 16 oz. hammer for a living. I wish he could have lived to see this. How small can CNC get::

http://www.kickstarter.com/projects/1320575205/handibottm-a-smart-digital-power-tool?ref=category

Printing metal at room temperature

Here's another 3D innovation, sent by Greg Rockwood:

   http://news.ncsu.edu/releases/wms-dickey-liquid-structures/

video of liquid metal printing  https://www.youtube.com/watch?v=ql3pXn8-sHA

Windows 8.1 and 3D Printing

Greg Rockwood sent this to me yesterday. Looks like Microsoft wants to be involved in 3D printing too:

http://www.networkworld.com/community/blog/why-3d-printing-matters-microsofts-windows-81-strategy