The Monkeys Fist is a classic knot used to add weight and grip to the end of a tossed line. Still, the knot is also elegant on its own. Having become a favored piece of paracord tyers, I decided to…
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…
Hard to Believe this Robot Is not Human (Video)
This is from the first test of the Geminoid. The first hint of a smile triggers immediate response. The people laughing in the background are the designers, who at this point have worked on the robot for months, and here…
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…