Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, ...

Any straight line graph has a constant gradient, which is calculated by the change in 𝑦 divided by the change in 𝑥, along any section of the graph. The gradient is measuring the steepness of the ...

image: The 3D carbon-based lithium anode with Li3N gradient and artificial solid electrolyte interphase (SEI) prevents dendrite propagation and volume expansion and promotes Li+ transmission. view ...