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, ...

Osi Momoh is an expert on corporate finance and accounting, bonds, trading, cryptocurrency, and much more. Osi has 10+ years of experience in the investment industry, having served as a client-facing ...

The reproduction number R is a popular statistical indicator of disease spread, with R = 1 universally interpreted as the threshold between epidemic growth and decline. This study reveals how this ...

An oriented spin space group description is proposed that unifies the spin space group and magnetic space group frameworks, enabling a comprehensive symmetry classification of the magnetic materials ...