Unlike the expensive 3D printers, a 3D pen isn’t the most precise instrument for making printed models. That’s not entirely the pen’s fault, however. By adding in a human element, you’re effectively reducing the speed and accuracy for a more personalized 3D print. Still, some people like that human touch – even if it doesn’t…

It’s not everyday you can bring up Youtube and learn about eliminating poop splash… well, maybe it is. You can also learn about fire tornadoes, muzzle flashes and why you didn’t die at birth thanks to the unique perspective of an Alabama Rocket Scientist. Smarter Every Day is a Youtube channel that takes a try-it-yourself…