When you want to visually imply growth, steps, directions, output or even a process, you might choose an arrow shape. Arrows are one of the most commonly used shapes in PowerPoint, and fortunately ...

If you want to print something a few inches tall, extruded plastic is a good medium. But when you need something at the nanometer scale, DNA is a better bet — but who has the time to design and ...

One of the problems encountered thus far with 3D-printing circuits with conductive filament is that it doesn’t really bond to anything, let alone solder, so how does one use it? [mikey77] wrote an ...