and one option is [3d-printy]’s vertical filament spool parts drawer design. The way this solution works is by using the spool to hold twelve vaguely pie-shaped drawers that can be individually ...

Microtubules are the largest type of filament, with a diameter of about 25 nanometers (nm), and they are composed of a protein called tubulin. Actin filaments are the smallest type, with a ...

This stunning image of the Sun is captured by NASA's Hubble Space Telescope. This composite image of the Sun includes high-energy X-ray data from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR).