Author: Rob

How To Throw a Spiral (Video)

Whether your son plays football or not, he really needs to know how to throw a spiral.  This is a really good video about the fundamentals… “Nailing down the basics of throwing will ensure that you play your best game.…

C02 Powered Pinewood Derby Car

This may be bending the rules a little, but what a great project.  This car was printed with a 3D printer and automatically fires two C02 cartridges when the starting gate goes down. See their website for the build details…http://www.thingiverse.com/thing:5929

Victorinox Boy Scout Swiss Army Knife

In 1884, Master Cutler Karl Elsener started his cutlery factory in the small village of Ibach, Switzerland. In 1897, he crafted the Victorinox Original Swiss Army Knife. Since that time, the Elsener family has continued to craft tools in the…

Cool Optical Illusions (Video)

The best parts of some of greenpro2009’s featured Illusions. At At 1:19 there are 4 shades of blue going from lightest to darkest (left to right). If the transition point between the shades is covered, our eyes and brains can’t…

NCAA 2011 March Madness Printable Brackets

You’re gonna need these… March Madness 2011 Printable Brackets Printable Bracket for 2011 NCAA Tournament – PDF, via ESPN.com Printable Bracket for 2011 NCAA Tournament – PDF, via NCAA.com Printable Bracket for 2011 NCAA Tournament – Excel, via CollegeHoopsNet.com Printable…

Free Design Software for Your Pinewood Derby

Autodesk 123D provides useful tools for making things – for quickly giving shape to your idea, exploring it, and most importantly, making it. 123D free 3D modeling software is integrated with content and making services that work together so you…